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Topics referred to by the same term
Look up reduce, reduced, or reduction in Wiktionary, the free dictionary. Reduction is generally the process of reducing something, i.e. making it smaller
Reduction
Philosophical view explaining systems in terms of smaller parts
Reductionism is any of several related philosophical ideas regarding the associations between phenomena which can be described in terms of simpler or more
Reductionism
Chemical reaction involving changes in oxidation state
Redox (/ˈrɛdɒks/ RED-oks, /ˈriːdɒks/ REE-doks, reduction–oxidation or oxidation–reduction) is a type of chemical reaction in which the oxidation states
Redox
Cooking process
In cooking, reduction is the process of thickening and intensifying the flavor of a liquid mixture, such as a soup, sauce, wine or juice, by simmering
Reduction_(cooking)
Spanish colonial settlements for relocation and Christianization of Indigenous peoples
Reductions (Spanish: reducciones, also called congregaciones) were settlements established by Spanish rulers and Roman Catholic missionaries in Spanish
Reductions
resistive circuit, voltage reduction is where a reduction in the voltage across the resistance will result in a reduction in the power dissipated by the
Voltage_reduction
Supply reduction is one approach to social problems such as drug addiction. Other approaches are demand reduction and harm reduction. In the case of illegal
Supply_reduction
Process used by organisations to reduce costs
Cost reduction is the process used by organisations aiming to reduce their costs and increase their profits, or to accommodate reduced income. Depending
Cost_reduction
1680 land reforms in Sweden
In the Great Reduction of 1680, by which the ancient landed nobility lost its power base, the Swedish Crown confiscated lands earlier granted to the nobility
Great_Reduction
Pseudoscientific claim
Spot reduction refers to the claim that fat in a certain area of the body can be targeted for reduction through exercise of specific muscles in that desired
Spot_reduction
Plastic surgery procedure
Reduction mammoplasty (also breast reduction and reduction mammaplasty) is the plastic surgery procedure for reducing the size of large breasts. In a breast
Breast_reduction
science, particularly the study of approximation algorithms, an L-reduction ("linear reduction") is a transformation of optimization problems which linearly
L-reduction
States patent law, the reduction to practice is the step in the formation of an invention beyond the conception thereof. Reduction to practice may be either
Reduction_to_practice
Reduction of capital or capital reduction is to decrease stock of a company. During reduction of capital, sometimes the company returns a portion of the
Reduction_of_capital
Efficient version of non-strict evaluation
In computer science, graph reduction implements an efficient version of non-strict evaluation, an evaluation strategy where the arguments to a function
Graph_reduction
Concept in philosophy of science
In philosophy of science, intertheoretic reduction occurs when a reducing theory makes predictions that perfectly or almost perfectly match the predictions
Intertheoretic_reduction
Fracture and dislocation fixing
Reduction is a medical procedure to restore the correct anatomical alignment of a fracture or dislocation. When an injury results in a fracture, or broken
Reduction (orthopedic procedure)
Reduction_(orthopedic_procedure)
Measure of the tendency of a substance to gain or lose electrons
Redox potential (also known as oxidation / reduction potential, ORP, pe, E r e d {\displaystyle E_{red}} , or E h {\displaystyle E_{h}} ) is a measure
Reduction_potential
Type of chemical reaction
oxygen reduction reaction refers to the reduction half reaction whereby O2 is reduced to water or hydrogen peroxide. In fuel cells, the reduction to water
Oxygen_reduction_reaction
Process of reducing the number of random variables under consideration
Dimensionality reduction, or dimension reduction, is the transformation of data from a high-dimensional space into a low-dimensional space so that the
Dimensionality_reduction
Organic reaction where amide is converted to Amine or Aldehyde
Amide reduction is a reaction in organic synthesis where an amide is reduced to either an amine or an aldehyde functional group. Catalytic hydrogenation
Amide_reduction
Compiler optimization
In compiler construction, strength reduction is a compiler optimization where expensive operations are replaced with equivalent but less expensive operations
Strength_reduction
Mathematical procedure for reducing the variance of statistical estimators
mathematics, more specifically in the theory of Monte Carlo methods, variance reduction is a procedure used to increase the precision of the estimates obtained
Variance_reduction
Orthodontic treatment
Interproximal reduction (IPR, also called interproximal enamel reduction (IER), slendering, air rotor stripping (ARS) or reproximation) is the practice
Interproximal_reduction
Transformation of one computational problem to another
complexity theory, a reduction is an algorithm for transforming one problem into another problem. A sufficiently efficient reduction from one problem to
Reduction_(complexity)
theory, the reduction criterion is a necessary condition a mixed state must satisfy in order for it to be separable. In other words, the reduction criterion
Reduction_criterion
complexity theory, a gap reduction is a reduction to a particular type of decision problem, known as a c-gap problem. Such reductions provide information about
Gap_reduction
Concept in phonology
see IPA § Brackets and transcription delimiters. In phonetics, vowel reduction is any of various changes in the acoustic quality of vowels as a result
Vowel_reduction
Technique in mathematical modeling
Model order reduction (MOR) is a technique for reducing the computational complexity of mathematical models in numerical simulations. As such it is closely
Model_order_reduction
Theory of a quantum origin of consciousness
Orchestrated objective reduction (Orch OR) is a controversial theory postulating that consciousness originates at the quantum level inside neurons (rather
Orchestrated objective reduction
Orchestrated_objective_reduction
Concept in theoretical computer science
In computability theory, a truth-table reduction is a type of reduction from a decision problem A {\displaystyle A} to a decision problem B {\displaystyle
Truth-table_reduction
Set of processes for obtaining iron from iron ore
In the iron and steel industry, direct reduction is a set of processes for obtaining iron from iron ore, by reducing iron oxides without melting the metal
Direct_reduction
Power engineering technique
In power engineering, Kron reduction is a method used to reduce or eliminate the desired node without need of repeating the steps like in Gaussian elimination
Kron_reduction
Attempts to reduce idling of vehicle engines
Idle reduction describes technologies and practices that minimize the amount of time drivers idle their engines. Avoiding idling time has a multitude
Idle_reduction
Surgical procedure
Jaw reduction or mandible angle reduction is a type of surgery to narrow the lower one-third of the face—particularly the contribution from the mandible
Jaw_reduction
Measure of decontamination
Log reduction is a measure of how thoroughly a decontamination process reduces the concentration of a contaminant. It is defined as the common logarithm
Log_reduction
Organic chemical reaction
Clemmensen reduction is a chemical reaction described as a reduction of ketones or aldehydes to alkanes using zinc amalgam and concentrated hydrochloric
Clemmensen_reduction
Efforts to decrease the girth or length of the human penis
Penis reduction or penis reduction surgery refers to efforts or an assortment of techniques intended to decrease the girth or length of the human penis
Penis_reduction
Organic reaction used to convert arenes to cyclohexadienes
The Birch reduction or Metal-Ammonia reduction[citation needed] is an organic reaction that is used to convert arenes to 1,4-cyclohexadienes. The reaction
Birch_reduction
Notion in computational complexity theory
theory and game complexity, a parsimonious reduction is a transformation from one problem to another (a reduction) that preserves the number of solutions
Parsimonious_reduction
Method of reducing crime rates
Market reduction approach (MRA) is an approach to reducing crime by reducing the opportunity for thieves to fence or resell what they have stolen. In
Market_reduction_approach
Topics referred to by the same term
Risk reduction may refer to: Health Absolute risk reduction or relative risk reduction, statistical descriptors of an intervention. Harm reduction, in
Risk_reduction
The concept of ego reduction is predicated on the use of Sigmund Freud's concept of the ego to describe the conscious adult self; and broadly describes
Ego_reduction
Plastic surgery procedure for altering the labia minora
Labiaplasty (also known as labioplasty, labia minora reduction, and labial reduction) is a plastic surgery procedure for creating or altering the labia
Labiaplasty
Measures to reduce poverty permanently
Poverty reduction, poverty relief, or poverty alleviation is a set of measures, both economic and humanitarian, that are intended to permanently lift
Poverty_reduction
Deficit reduction can refer to any method of reducing a government budget deficit (including reduced government spending and/or increased government revenue)
Deficit_reduction
Public health strategy to lower health risks of tobacco use
Tobacco harm reduction (THR) is a public health strategy to lower the health risks to individuals and wider society associated with using tobacco products
Tobacco_harm_reduction
Surgical removal of the turbinate bones in the nasal passage
Turbinate reduction is a surgical procedure, that removes tissue, and sometimes bone, of the turbinates in the nasal passage, particularly the inferior
Turbinate_reduction
first-order reduction is a very strong type of reduction between two computational problems in computational complexity theory. A first-order reduction is a
First-order_reduction
Copy of a directed graph with redundant edges removed
In the mathematical field of graph theory, a transitive reduction of a directed graph D is another directed graph with the same vertices and as few edges
Transitive_reduction
Process of fashioning stones or rocks into tools and weapons
In archaeology, in particular of the Stone Age, lithic reduction is the process of fashioning stones or rocks from their natural state into tools or weapons
Lithic_reduction
Voluntary Emission Reductions or Verified Emission Reductions (VERs) are a type of carbon offset exchanged in the voluntary or over-the-counter market
Voluntary_Emission_Reduction
Music theory
without a keyboard (e.g. a string quartet). A reduction for solo piano is sometimes called a piano reduction or piano score. During opera rehearsals, a répétiteur
Reduction_(music)
Unit of measurement for greenhouse gases
reduction unit (ERU) was an emissions unit issued under a Joint Implementation project in terms of the Kyoto Protocol. An ERU represented a reduction
Emission_reduction_unit
Organic reduction of any carbonyl group by a reducing agent
In organic chemistry, carbonyl reduction is the conversion of any carbonyl group, usually to an alcohol. It is a common transformation that is practiced
Carbonyl_reduction
Concept in commutative algebra
The reduction theory goes back to the influential 1954 paper by Northcott and Rees, the paper that introduced the basic notions. In algebraic geometry
Ideal_reduction
reduction (SDR) is a paradigm for analyzing data that combines the ideas of dimension reduction with the concept of sufficiency. Dimension reduction has
Sufficient dimension reduction
Sufficient_dimension_reduction
Reduction fisheries are fisheries that "reduce," or process their catch, into fishmeal and fish oil. They rely largely on small and medium-sized pelagic
Reduction_fishery
Military officer demotion
Reduction in rank may refer to three separate concepts: In military law, a reduction in rank or degradation is a demotion in military rank as punishment
Reduction_in_rank
Cosmetic surgical procedure
Clitoral hood reduction, also termed clitoral hoodectomy, clitoral unhooding, clitoridotomy, or (partial) hoodectomy, is a plastic surgery procedure (a
Clitoral_hood_reduction
Algorithm in modular arithmetic
In modular arithmetic, Barrett reduction is an algorithm designed to optimize the calculation of a mod n {\displaystyle a\,{\bmod {\,}}n\,} without needing
Barrett_reduction
Process of removing noise from a signal
Noise reduction is the process of removing noise from a signal. Noise reduction techniques exist for audio and images. Noise reduction algorithms may distort
Noise_reduction
Postpositivist communication theory developed in 1975
The uncertainty reduction theory (URT), also known as initial interaction theory, developed in 1975 by Charles Berger and Richard Calabrese, is a communication
Uncertainty_reduction_theory
Simplification of consonant clusters in certain environments
linguistics, cluster reduction is the simplification of consonant clusters in certain environments or over time. Cluster reduction can happen in different
Cluster_reduction
Reduction of nestlings in a bird brood
Brood reduction occurs when the number of nestlings in a bird's brood is reduced, usually because there is a limited amount of resources available. It
Brood_reduction
In type theory, a type system has the property of subject reduction (also subject evaluation, type preservation or simply preservation) if evaluation
Subject_reduction
potential good reduction is a property of the reduction modulo a prime or, more generally, prime ideal, of an algebraic variety. "Good reduction" refers to
Potential_good_reduction
Topics referred to by the same term
A reduction formula is used to represent some expression in a simpler form. It may refer to: Formulas of reduction, the decomposition of multiple integrals
Reduction_formula
Abortion of one or more (but not all) fetuses in a multiple pregnancy
Selective reduction is the practice of reducing the number of fetuses in a multiple pregnancy, such as quadruplets, to a twin or singleton pregnancy.
Selective_reduction
Korkine–Zolotarev (KZ) lattice basis reduction algorithm or Hermite–Korkine–Zolotarev (HKZ) algorithm is a lattice reduction algorithm. For lattices in R n
Korkine–Zolotarev lattice basis reduction algorithm
Korkine–Zolotarev_lattice_basis_reduction_algorithm
Mechanical device to shift rotational speed
A reduction drive is a mechanical device to shift rotational speed. A planetary reduction drive is a small scale version using ball bearings in an epicyclic
Reduction_drive
In mathematics, the Lyapunov–Schmidt reduction or Lyapunov–Schmidt construction is used to study solutions to nonlinear equations in the case when the
Lyapunov–Schmidt_reduction
Public health policies which lessen negative aspects of problematic activities
Harm reduction, or harm minimization, refers to a range of intentional practices and public health policies designed to lessen the negative social and/or
Harm_reduction
Type of computational algorithm
In computational complexity theory, a log-space reduction is a reduction computable by a deterministic Turing machine using logarithmic space. Conceptually
Log-space_reduction
Special-purpose computer
A graph reduction machine is a special-purpose computer built to perform combinator calculations by graph reduction. Examples include the SKIM ("S-K-I
Graph_reduction_machine
Multifactor dimensionality reduction (MDR) is a statistical approach, also used in machine learning automatic approaches, for detecting and characterizing
Multifactor dimensionality reduction
Multifactor_dimensionality_reduction
Password cracking dataset
last reductions (these two reductions are represented at step 2) Note: If this new test fails again, one continues with 3 reductions, 4 reductions, etc
Rainbow_table
Reduction of the total body mass
In medicine, health, or physical fitness, weight loss is a reduction of the total body mass, by a mean loss of fluid, body fat (adipose tissue), or lean
Weight_loss
Topics referred to by the same term
Emissions reduction can refer to: Climate change mitigation Air pollution control Certified emission reduction Emission reduction unit This disambiguation
Emissions_reduction
Argument that leads to a logical absurdity
In logic, reductio ad absurdum (Latin for "reduction to absurdity"), also known as argumentum ad absurdum (Latin for "argument to absurdity"), apagogical
Reductio_ad_absurdum
Topics referred to by the same term
The term population reduction may refer to: Population decline or depopulation, reductions in human population levels for reasons such as low birth rate
Population_reduction
Sound change of vowels in Russian phonology
In the pronunciation of the Russian language, several ways of vowel reduction (and its absence) are distinguished between the standard language and
Vowel_reduction_in_Russian
Process of returning a dislocated shoulder to its normal position
Shoulder reduction is the process of returning the shoulder to its normal position following a shoulder dislocation. Normally, closed reduction, in which
Shoulder_reduction
Method for solving one problem using another
In computational complexity theory, a polynomial-time reduction is a method for solving one problem using another. One shows that if a hypothetical subroutine
Polynomial-time_reduction
American budget reconciliation law
The Inflation Reduction Act of 2022 (IRA), Pub. L. 117–169 (text) (PDF), is a United States federal law which aimed to reduce the federal government budget
Inflation_Reduction_Act
Surgical procedure for management of obesity
be achieved through alteration of gut hormones, physical reduction of stomach size, reduction of nutrient absorption, or a combination of these. Standard
Bariatric_surgery
Reduction method involving hydrazine
The Wolff–Kishner reduction is a reaction used in organic chemistry to convert carbonyl functionalities into methylene groups. In the context of complex
Wolff–Kishner_reduction
Mathematical-logic system
the number of β-reduction steps taken by normal order reduction to reduce a term is a reasonable time cost model, that is, the reduction can be simulated
Lambda_calculus
Sound insulation measure
The sound reduction index is used to measure the level of sound insulation provided by a structure such as a wall, window, door, or ventilator. It is
Sound_reduction_index
Physical law in electrochemistry
relationship in electrochemistry that permits the calculation of the reduction potential of a reaction (half-cell or full cell reaction) from the standard
Nernst_equation
Topics referred to by the same term
The Deficit Reduction Act may refer to various pieces of United States legislation, including: Deficit Reduction Act of 1984 Gramm-Rudman-Hollings Deficit
Deficit_Reduction_Act
Chemical reaction
The reduction of nitro compounds are chemical reactions of wide interest in organic chemistry. The conversion can be affected by many reagents. The nitro
Reduction_of_nitro_compounds
Approach to pollution prevention
use reduction is an approach to pollution prevention that targets and measures reductions in the upfront use of toxic materials. Toxics use reduction emphasises
Toxics_use_reduction
Police Initiative in Scotland, UK
The Scottish Violence Reduction Unit is a Police Scotland initiative established in January 2005 (by Strathclyde Police) which uses a public health approach
Violence_Reduction_Unit
Chemical reaction
The Evans–Tishchenko reaction is the diastereoselective reduction of β-hydroxy ketones to the corresponding 1,3-anti diol monoesters. The reaction employs
Evans–Tishchenko_reaction
Chemical reaction
The Rosenmund reduction is a hydrogenation process in which an acyl chloride is selectively reduced to an aldehyde. The reaction was named after Karl
Rosenmund_reduction
Algorithm for transforming one optimization problem into another
especially the study of approximation algorithms, an approximation-preserving reduction is an algorithm for transforming one optimization problem into another
Approximation-preserving reduction
Approximation-preserving_reduction
Cyclic reduction is a numerical method for solving large linear systems by repeatedly splitting the problem. Each step eliminates even or odd rows and
Cyclic_reduction
Number used to quantify dialysis treatment
The urea reduction ratio (URR) is a dimensionless number used to quantify dialysis treatment adequacy. U R R = U p r e − U p o s t U p r e × 100 % {\displaystyle
Urea_reduction_ratio
Projection of data onto lower-dimensional manifolds
Nonlinear dimensionality reduction (NLDR), also known as manifold learning, is any of various related techniques that aim to project high-dimensional
Nonlinear dimensionality reduction
Nonlinear_dimensionality_reduction
travel, tourism, insurance
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travel, tourism, insurance