different between iterate vs refine

English

Etymology

From Latin iter? (“do it for a second time, repeat”), from iterum (“again”), akin to is (“he, that”).

Pronunciation

• IPA^(key): /??t??e?t/, /?a?t??e?t/

Verb

iterate (third-person singular simple present iterates, present participle iterating, simple past and past participle iterated)

1. (computing) to perform or repeat an action on each item in a set

2. (computing, mathematics) to perform or repeat an action on the results of each such prior action

3. (transitive, archaic) To utter or do a second time or many times; to repeat.
4. (design, transitive, intransitive) To repeat an activity, making incremental changes each time

Synonyms

• (to repeat): reiterate; see also Thesaurus:reiterate

Translations

Noun

iterate (plural iterates)

1. (mathematics) a function that iterates

   f²(x₀) is the second iterate of x₀ under f.

   • 2011, M. A. Kaashoek, T. T. West, Locally Compact Semi-Algebras (page 8)

     An important example of such a semigroup in infinite dimensional Hilbert space is the weak operator closed monothetic semigroup generated by a linear operator with equibounded iterates.

Derived terms

• reiterate
• iterative
• iterator

Adjective

iterate (not comparable)

1. (obsolete) Said or done again; repeated.

   (Can we find and add a quotation of Bishop Gardiner to this entry?)

Synonyms

• See Thesaurus:repeated

Further reading

• iterate in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913.
• iterate in The Century Dictionary, New York, N.Y.: The Century Co., 1911.
• iterate at OneLook Dictionary Search

Anagrams

• ariette

Italian

Verb

iterate

1. second-person plural present indicative of iterare
2. second-person plural imperative of iterare
3. feminine plural of iterato

Latin

Verb

iter?te

1. second-person plural present active imperative of iter?

English

Etymology

re- +? fine

Pronunciation

• IPA^(key): /???fa?n/
• Rhymes: -a?n
• Hyphenation: re?fine

Verb

refine (third-person singular simple present refines, present participle refining, simple past and past participle refined)

1. (transitive) To purify; reduce to a fine, unmixed, or pure state; to free from impurities.

2. (intransitive) To become pure; to be cleared of impure matter.
3. (transitive) To purify of coarseness, vulgarity, inelegance, etc.; to polish.

4. (transitive, intransitive) To improve in accuracy, delicacy, or excellence.
5. (transitive) To make nice or subtle.

Related terms

• refinable
• refinement
• refiner
• refinery

Translations

Further reading

• refine in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913.
• refine in The Century Dictionary, New York, N.Y.: The Century Co., 1911.

Anagrams

• Feiner, enfire, ferine, fineer

Portuguese

Verb

refine

1. first-person singular present subjunctive of refinar
2. third-person singular present subjunctive of refinar
3. first-person singular imperative of refinar
4. third-person singular imperative of refinar

Spanish

Verb

refine

1. Formal second-person singular (usted) imperative form of refinar.
2. First-person singular (yo) present subjunctive form of refinar.
3. Formal second-person singular (usted) present subjunctive form of refinar.
4. Third-person singular (él, ella, also used with usted^?) present subjunctive form of refinar.