reduction

nounB2

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Danh từ

noun

Plural noun:

reductions

1.
(countable, uncountable)The act, process, or result of reducing.
2.
(countable, uncountable)The amount or rate by which something is reduced, e.g. in price.
A 5% reduction in robberies
3.
(countable, uncountable)(chemistry) A reaction in which electrons are gained and valence is reduced; often by the removal of oxygen or the addition of hydrogen.
4.
(countable, uncountable)(cooking) The process of rapidly boiling a sauce to concentrate it.
5.
(countable, uncountable)(mathematics) The rewriting of an expression into a simpler form.
6.
(countable, uncountable)(computing theory) A transformation of one problem into another problem, such as mapping reduction or polynomial-time reduction.
7.
(countable, uncountable)(music) An arrangement for a far smaller number of parties, e.g. a keyboard solo based on a full opera.
8.
(countable, uncountable)(philosophy, phenomenology) A philosophical procedure intended to reveal the objects of consciousness as pure phenomena. (See phenomenological reduction.)
9.
(countable, uncountable)(medicine) A medical procedure to restore a fracture or dislocation to the correct alignment, usually with a closed approach but sometimes with an open approach (surgery).
closed reduction
open reduction and internal fixation
Đồng nghĩa: taxis
10.
(countable, uncountable)(paying) A reduced price of something by a fraction or decimal.
11.
(countable, uncountable)(metalworking) The ratio of a material's change in thickness compared to its thickness prior to forging and/or rolling.
12.
(countable, historical, uncountable)(historical, Roman Catholicism) A religious settlement created during a mission by Spanish or Portuguese colonists with the intent of evangelizing Christianity to the local population.
Spanish reductions in Mexico were common during the 18th century.

Từ liên quan

Đồng nghĩa

taxis declinelesseningextract

Trái nghĩa

elevation expansionincreasepromotion addition supplement oxidationchemistry oxidation

Cùng gốc / liên quan

autoreductionchemoreductionhydroreductionleucoreductionoxidoreductionseroreductiontransductionharm reductionspot reductioneidetic reductionreductionismBirch reductionClemmensen reductionoxidation-reductionreduction setreductionist reductionalmapping reductionpolynomial reductionpolynomial-time reduction

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Nguồn gốc từ

ine-pro From Middle English reduccion, a borrowing from Old French reducion, from Latin reductiō, reductiōnem. Equivalent to reduce + -tion.