infinity
Definition from Wiktionary, a free dictionary
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[edit] English
[edit] Etymology
From Latin infinitas, unlimitedness, from negative prefix in-, not, + finis, end, + noun of state suffix -tas
[edit] Noun
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Singular |
Plural |
infinity (countable and uncountable; plural infinities)
- Limitlessness, unlimitedness, something which is growing without limits or bounds.
- A number that has an infinite numerical value that cannot be counted.
- 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.
- The symbol ∞.
[edit] Usage notes
In mathematics there are several different infinities; see transfinite.
[edit] Related terms
[edit] Translations
limitlessness, unlimitedness, something which is growing without limits or bounds
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a number that has an infinite, uncountable numerical value
a number which is very large compared to some characteristic number
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the symbol ∞
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