infinity
Meaning
- endlessness, unlimitedness, absence of a beginning, end or limits to size.
- A number that has an infinite numerical value that cannot be counted.
- An idealised point which is said to be approached by sequences of values whose magnitudes increase without bound.
- 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 ∞.
Synonyms
out-of-range number
capacity exceeding number
inf
open space
Frequency
Pronounced as (IPA)
/ɪnˈfɪnɪti/
Etymology
From Middle English infinite, from Old French infinité, from Latin infinitas (“unlimitedness”), from negative prefix in- (“not”), + finis (“end”), + noun of state suffix -tas.
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