noun, plural in·fin·i·ties.
- the quality or state of being infinite.
- something that is infinite.
- infinite space, time, or quantity.
- an infinite extent, amount, or number.
- an indefinitely great amount or number.
- Mathematics.
- the assumed limit of a sequence, series, etc., that increases without bound.
- infinite distance or an infinitely distant part of space.
- Photography.
- a distance between a subject and the camera so great that rays of light reflected from the subject may be regarded as parallel.
- a distance setting of the camera lens beyond which everything is in focus.
noun plural -ties
- the state or quality of being infinite
- endless time, space, or quantity
- an infinitely or indefinitely great number or amount
- optics photog a point that is far enough away from a lens, mirror, etc, for the light emitted by it to fall in parallel rays on the surface of the lens, etc
- physics a dimension or quantity of sufficient size to be unaffected by finite variations
- maths the concept of a value greater than any finite numerical value
- a distant ideal point at which two parallel lines are assumed to meet
late 14c., from Old French infinité “infinity; large number or quantity” (13c.), from Latin infinitatem (nominative infinitas) “boundlessness, endlessness,” from infinitus boundless, unlimited” (see infinite). Infinitas was used as a loan-translation of Greek apeiria “infinity,” from apeiros “endless.”
- A space, extent of time, or quantity that has no limit.