Definitions for Infinityɪnˈfɪn ɪ ti

This page provides all possible meanings and translations of the word Infinity

Princeton's WordNetRate this definition:(0.00 / 0 votes)

  1. eternity, infinity(noun)

    time without end

WiktionaryRate this definition:(0.00 / 0 votes)

  1. infinity(Noun)

    Limitlessness, unlimitedness, something which is growing without limits or bounds.

  2. infinity(Noun)

    A number that has an infinite numerical value that cannot be counted.

  3. infinity(Noun)

    A number which is very large compared to some characteristic number. For example, in optics, an object which is much further away than the focal length of a lens is said to be "at infinity", as the distance of the image from the lens varies very little as the distance increases further.

  4. infinity(Noun)

    The symbol u221E.

  5. Origin: From Latin infinitas, unlimitedness, from negative prefix in-, not, + finis, end, + noun of state suffix -tas

Webster DictionaryRate this definition:(0.00 / 0 votes)

  1. Infinity(noun)

    unlimited extent of time, space, or quantity; eternity; boundlessness; immensity

  2. Infinity(noun)

    unlimited capacity, energy, excellence, or knowledge; as, the infinity of God and his perfections

  3. Infinity(noun)

    endless or indefinite number; great multitude; as an infinity of beauties

  4. Infinity(noun)

    a quantity greater than any assignable quantity of the same kind

  5. Infinity(noun)

    that part of a line, or of a plane, or of space, which is infinitely distant. In modern geometry, parallel lines or planes are sometimes treated as lines or planes meeting at infinity

  6. Origin: [L. infinitas; pref. in- not + finis boundary, limit, end: cf. F. infinit. See Finite.]

FreebaseRate this definition:(0.00 / 0 votes)

  1. Infinity

    Infinity refers to something without any limit, and is a concept relevant in a number of fields, predominantly mathematics and physics. The English word infinity derives from Latin infinitas, which can be translated as "unboundedness", itself calqued from the Greek word apeiros, meaning "endless". In mathematics, "infinity" is often treated as if it were a number but it is not the same sort of number as the real numbers. In number systems incorporating infinitesimals, the reciprocal of an infinitesimal is an infinite number, i.e., a number greater than any real number. Georg Cantor formalized many ideas related to infinity and infinite sets during the late 19th and early 20th centuries. In the theory he developed, there are infinite sets of different sizes. For example, the set of integers is countably infinite, while the infinite set of real numbers is uncountable.

The New Hacker's DictionaryRate this definition:(0.00 / 0 votes)

  1. infinity

    1. The largest value that can be represented in a particular type of variable (register, memory location, data type, whatever). 2. minus infinity: The smallest such value, not necessarily or even usually the simple negation of plus infinity. In N-bit twos-complement arithmetic, infinity is 2N-1 - 1 but minus infinity is - (2N-1), not -(2N-1 - 1). Note also that this is different from time T equals minus infinity, which is closer to a mathematician's usage of infinity.


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