plural infinities
Definition of infinity
1a
: the quality of being infinite
b
: unlimited extent of time, space, or quantity : boundlessness
2
: an indefinitely great number or amount
an infinity of stars
3a
: the limit of the value of a function or variable when it tends to become numerically larger than any preassigned finite number
b
: a part of a geometric magnitude that lies beyond any part whose distance from a given reference position is finite
do parallel lines ever meet if they extend to infinity
c
: a transfinite number (such as alephnull)
4
: a distance so great that the rays of light from a point source at that distance may be regarded as parallel
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MerriamWebster unabridged
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Time Traveler for infinity
The first known use of infinity was in the 14th century
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