different between reduction vs dejection

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

From Old French dejection, from Latin dejectio (“a casting down”).

Pronunciation

• (UK) IPA^(key): /d??d??k??n/
• (US) IPA^(key): /d??d??k??n/
• Rhymes: -?k??n

Noun

dejection (countable and uncountable, plural dejections)

1. A state of melancholy or depression; low spirits, the blues.
2. The act of humbling or abasing oneself.
   • Bishop Pearson

     Adoration implies submission and dejection.

3. A low condition; weakness; inability.
   • Arbuthnot

     a dejection of appetite

4. (medicine, archaic) Defecation or feces.

Synonyms

• (melancholy, depression, low spirits): despondency, downheartedness, crestfallenness
• (defecation or feces): excrement, bowel movement

Translations