different between reduction vs subsidence

English

Etymology

From Middle English reduccion, a borrowing from Old French reducion, from Latin reducti?, reducti?nem.

Pronunciation

• IPA^(key): /???d?k??n/
• (Malaysia, Singapore) IPA^(key): /?i?d?k.??n/
• Rhymes: -?k??n
• Hyphenation: re?duc?tion

Noun

reduction (countable and uncountable, plural reductions)

1. The act, process, or result of reducing.
2. The amount or rate by which something is reduced, e.g. in price.

   A 5% reduction in robberies

3. (chemistry) A reaction in which electrons are gained and valence is reduced; often by the removal of oxygen or the addition of hydrogen.
4. (cooking) The process of rapidly boiling a sauce to concentrate it.
5. (mathematics) The rewriting of an expression into a simpler form.
6. (computability theory) a transformation of one problem into another problem, such as mapping reduction or polynomial reduction.
7. (music) An arrangement for a far smaller number of parties, e.g. a keyboard solo based on a full opera.
8. (philosophy, phenomenology) A philosophical procedure intended to reveal the objects of consciousness as pure phenomena. (See phenomenological reduction.)
9. (medicine) A medical procedure to restore a fracture or dislocation to the correct alignment.

   Synonym: taxis

10. (paying) A reduced price of something by a fraction or decimal.

Synonyms

• (act, process, or result of reducing): decline, lessening; See also Thesaurus:diminution
• (amount by which something is reduced): extract, reduction; See also Thesaurus:decrement

Antonyms

• (act, process, or result of reducing): elevation, expansion, increase, promotion; See also Thesaurus:augmentation
• (amount by which something is reduced): addition, supplement; See also Thesaurus:adjunct
• (chemistry): oxidation

Derived terms

Translations

Anagrams

• introduce

English

Etymology

Latin subsidens, subsidentis, present participle of subsidere.

Pronunciation

• IPA^(key): /?s?bs?d?ns/, /?s?bs?d?ns/, /s?b?sa?d?ns/

Noun

subsidence (countable and uncountable, plural subsidences)

1. The process of becoming less active or severe.
   • 1754, William Warburton, Sermon preached before the King, at Kensington, October 27, 1754

     The subdual or subsidence of the more violent passions.

2. (geology) A sinking of something to a lower level, especially of part of the surface of the Earth due to underground excavation, seismic activity or underground or ground water depletion.

Derived terms

Related terms

• subside (verb)

Translations