Main Entry: in·fin·i·ty

Pronunciation: \in-ˈfi-nə-tē\

Function: noun

Inflected Form(s): plural in·fin·i·ties

Date: 14th century

1 a : 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>
3 a : 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 (as aleph-null)
4 : a distance so great that the rays of light from a point source at that distance may be regarded as parallel