INFINITY

eternity, infinity

(noun) time without end

Source: WordNet® 3.1


Etymology

Noun

infinity (countable and uncountable, plural infinities)

(uncountable) Endlessness, unlimitedness, absence of a beginning, end or limits to size.

(countable, mathematics) A number that has an infinite numerical value that cannot be counted.

(countable, topology, analysis) An idealised point which is said to be approached by sequences of values whose magnitudes increase without bound.

(uncountable) 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.

(countable, uncountable) The symbol ∞.

Usage notes

In mathematics there are several different infinities; see transfinite.

Synonyms

• (absence of a beginning, end or limits to size): See also infinity

Antonyms

• finity

Source: Wiktionary


In*fin"i*ty, n.; pl. Infinities. Etym: [L. infinitas; pref. in- not + finis boundary, limit, end: cf. F. infinité. See Finite.]

1. Unlimited extent of time, space, or quantity; eternity; boundlessness; immensity. Sir T. More. 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. Hooker.

3. Endless or indefinite number; great multitude; as an infinity of beauties. Broome.

4. (Math.)

Definition: A quantity greater than any assignable quantity of the same kind.

Note: 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. ).

5. (Geom.)

Definition: 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.

Source: Webster’s Unabridged Dictionary 1913 Edition



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Word of the Day

28 April 2024

POLYGENIC

(adjective) of or relating to an inheritable character that is controlled by several genes at once; of or related to or determined by polygenes


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Coffee Trivia

The earliest credible evidence of coffee-drinking as the modern beverage appeared in modern-day Yemen. In the middle of the 15th century in Sufi shrines where coffee seeds were first roasted and brewed for drinking. The Yemenis procured the coffee beans from the Ethiopian Highlands.

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