From Longman Dictionary of Contemporary EnglishRelated topics: Maths, Astronomy, Numbersinfinityin‧fin‧i‧ty /ɪnˈfɪnəti/ noun1[uncountable]LIMIT a space or distance without limits or an endthe infinity of space2[singular, uncountable]HM a number that is too large to be calculatedIn the equation below, as E goes to zero, n approaches infinity.infinity ofThere is an infinity of possible solutions.