noun.
Unlimited extent of time, space, or quantity; eternity; boundlessness; immensity.
noun.
Unlimited capacity, energy, excellence, or knowledge.
noun.
Endless or indefinite number; great multitude; as an infinity of beauties.
noun.
A quantity greater than any assignable quantity of the same kind.
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.
noun.
an imaginary circle at infinity, through which, in geometry of three dimensions, every sphere is imagined to pass.
noun.
See under Circular.