Webster 1913 Edition
finisboundary, limit, end: cf. F.
Unlimited extent of time, space, or quantity; eternity; boundlessness; immensity.
Sir T. More.
There can not be more
infinitiesthan one; for one of them would limit the other.
Sir W. Raleigh.
Unlimited capacity, energy, excellence, or knowledge;
infinityof God and his perfections
Endless or indefinite number; great multitude; as an infinity of beauties.
A quantity greater than any assignable quantity of the same kind.
☞ Mathematically considered, infinity is always a limit of a variable quantity, resulting from a particular supposition made upon the varying element which enters it.
Davies & Peck (Math. Dict.).
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.
Webster 1828 Edition
1.Unlimited extent of time, space or quantity; boundlessness. We apply infinity to God and his perfections; we speak of the infinity of his existence, his knowledge, his power, his goodness and holiness.
2.Immensity; indefinite extent.
3.Endless or indefinite number; a hyperbolical use of the word; as an infinity of beauties.