Dictionary
infinity
noun in·fin·i·ty \in-ˈfi-nə-tē\
: the quality of having no limits or end : the quality of being infinite
: a space, amount, or period of time that has no limits or end
: a very great number or amount
plural in·fin·i·ties
Full Definition of INFINITY
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
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First Known Use of INFINITY
14th century
Related to INFINITY
- Synonyms
- everlasting, foreverness, eternity, perpetuity
Other Mathematics and Statistics Terms
INFINITIES Defined for Kids
infinity
noun in·fin·i·ty \in-ˈfi-nə-tē\
plural in·fin·i·ties
Definition of INFINITY for Kids
1
: the quality of being without limits <the infinity of space>
2
: a space, quantity, or period of time that is without limit
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