/in fin"i tee/ , n. , pl. infinities .
1. the quality or state of being infinite.
2. something that is infinite.
3. infinite space, time, or quantity.
4. an infinite extent, amount, or number.
5. an indefinitely great amount or number.
6. Math.
a. the assumed limit of a sequence, series, etc., that increases without bound.
b. infinite distance or an infinitely distant part of space.
7. Photog.
a. a distance between a subject and the camera so great that rays of light reflected from the subject may be regarded as parallel.
b. a distance setting of the camera lens beyond which everything is in focus.
[ 1350-1400; ME infinite infinitas, equiv. to in- IN- 3 + fini ( s ) boundary (see FINISH) + -tas -TY 2 ]