eternity vs infinity what difference

what is difference between eternity and infinity

English

Alternative forms

  • æternity (archaic)
  • æternitie (obsolete)

Etymology

From Middle English eternyte, from Old French eternité, eternitez, from Latin aeternitās.

Pronunciation

  • (UK) IPA(key): /ɪˈtɜː.nə.ti/
  • (US) enPR: ĭ-tûrʹnĭ-tē, IPA(key): /ɪˈtɝnɪti/

Noun

eternity (countable and uncountable, plural eternities)

  1. (uncountable) Existence without end, infinite time.
  2. (uncountable, philosophy) Existence outside of time.
  3. (countable) A period of time which extends infinitely far into the future.
  4. (metaphysical) The remainder of time that elapses after death.
  5. (informal, hyperbolic) A comparatively long time.

Usage notes

  • In the sense “a comparatively long time”, eternity is always used with the indefinite article (an eternity).
  • In philosophy, the common use of eternity to refer to an infinite time is considered incorrect, eternity referring to existence outside of time; existence within time but of an infinite temporal duration is called everlastingness or sempiternity

Synonyms

  • (existence outside of time): atemporality, eternal now, extratemporality; see also Thesaurus:timelessness
  • (infinite time): all time, perpetuity; see also Thesaurus:eternity
  • (time extending infinitely far into the future): evermore, forever, foreverhood
  • (remainder of time that elapses after death): afterlife; see also Thesaurus:life after death
  • (comparatively long time): an age, ages, centuries, donkey’s years, hours, a lifetime, years, yonks; see also Thesaurus:eon

Antonyms

  • (existence outside of time): sempiternity

Derived terms

  • eternity past
  • eternity future

Related terms

  • eternal
  • eternize

Translations

Anagrams

  • entierty, entirety, tenerity


English

Etymology

From Old French infinité, from Latin infinitas (unlimitedness), from negative prefix in- (not), + finis (end), + noun of state suffix -tas.

Pronunciation

  • IPA(key): /ɪnˈfɪnɪti/
  • Rhymes: -ɪnɪti

Noun

infinity (countable and uncountable, plural infinities)

  1. (uncountable) Endlessness, unlimitedness, absence of a beginning, end or limits to size.
  2. (countable, mathematics) A number that has an infinite numerical value that cannot be counted.
  3. (countable, topology, mathematical analysis) An idealised point which is said to be approached by sequences of values whose magnitudes increase without bound.
  4. (uncountable) A number which is very large compared to some characteristic number. For example, in optics, an object which is much further away than the focal length of a lens is said to be “at infinity”, as the distance of the image from the lens varies very little as the distance increases further.
  5. (countable, uncountable) The symbol ∞.

Usage notes

In mathematics there are several different infinities; see transfinite.

Synonyms

  • (absence of a beginning, end or limits to size): See also Thesaurus:infinity

Antonyms

  • finity

Related terms

  • finish
  • finite
  • infinite
  • infinitesimal
  • infinitieth

Translations

See also

  • eternal
  • eternity
  • transfinite

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