Infinity

Definition of Infinity

In`fin´i`ty
n.1.
1.Unlimited extent of time, space, or quantity; eternity; boundlessness; immensity.
There can not be more infinities than one; for one of them would limit the other.
- Sir W. Raleigh.
2.Unlimited capacity, energy, excellence, or knowledge; as, the infinity of God and his perfections.
3.Endless or indefinite number; great multitude; as an infinity of beauties.
4.(Math.) A quantity greater than any assignable quantity of the same kind.
5.(Geom.) 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.
Circle at infinity
an imaginary circle at infinity, through which, in geometry of three dimensions, every sphere is imagined to pass.
Circular points at infinity
See under Circular.

Related Words

Gaussian integer, aesthetic distance, algebraic number, ampleness, amplitude, astronomical number, billion, boundlessness, bulk, cardinal, cardinal number, ceaselessness, clearance, coeternity, compass, complex number, constancy, continualness, continuance, deep space, defective number, depths of space, distance, divergence, durability, endlessness, enormity, enormousness, eternalness, eternity, even number, ever-duringness, everlastingness, everness, everywhereness, expanse, extension, extent, farness, finite number, foreverness, formidableness, fraction, fullness, gigantism, glory, googol, googolplex, grandeur, grandness, great scope, greatness, holiness, hugeness, imaginary number, immensity, immutability, impair, incessancy, indestructibility, infinite duration, infinite goodness, infinite justice, infinite love, infinite mercy, infinite power, infinite wisdom, infinitude, integer, intensity, interminability, irrational, irrational number, jillion, large number, largeness, leeway, length, lengthiness, light, light-years, linear measures, long time, longitude, longness, magnitude, majesty, margin, measure, might, mightiness, mileage, mixed number, muchness, never-endingness, omnipotence, omnipotency, omnipresence, omniscience, omnisciency, ordinal, overall length, pair, parsecs, perdurability, perenniality, perennialness, permanence, perpetualness, perpetuity, perspective, piece, plenitude, polygonal number, power, prime number, prodigiousness, pure imaginary, range, rational, rational number, reach, real, real number, rectangular number, remoteness, round number, sempiternity, separation, serial number, sovereignty, space, span, stability, strength, stretch, stride, stupendousness, surd, timelessness, transcendental number, transfinite number, tremendousness, trillion, ubiquity, unceasingness, unity, vastness, way, ways, whole number, yardage, zillion
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-Infinity-
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infix notation
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