Noun

The state of being certain.

* Fisher Ames

The certainty of punishment is the truest security against crimes.

An instance of being certain.

A fact or truth unquestionably established.

* November 2 2014 , Daniel Taylor, " Sergio Agüero strike wins derby for Manchester City against 10-man United," guardian.co.uk

Yet the truth is that City would probably have been coasting by that point if the referee, Michael Oliver, had not turned down three separate penalties, at least two of which could be accurately described as certainties .

* 1824 , (Walter Savage Landor), Imaginary Conversations Volume 1

Certainties are uninteresting and sating.

Noun

(varieties)

The quality of being varied; diversity.

A specific variation of something.

A number of different things.

*

, title=(The Celebrity), chapter=4 , passage=One morning I had been driven to the precarious refuge afforded by the steps of the inn, after rejecting offers from the Celebrity to join him in a variety of amusements. But even here I was not free from interruption, for he was seated on a horse-block below me, playing with a fox terrier.}}

* {{quote-magazine, date=2013-01, author=Katie L. Burke, volume=101, issue=1, page=64, magazine=(American Scientist)

, title= Ecological Dependency , passage=In his first book since the 2008 essay collection Natural Acts: A Sidelong View of Science and Nature , David Quammen looks at the natural world from yet another angle: the search for the next human pandemic, what epidemiologists call “the next big one.” His quest leads him around the world to study a variety of suspect zoonoses—animal-hosted pathogens that infect humans.}}

A state of constant change.

(taxonomy) A rank in a taxonomic classification, below species and subspecies.

(cybernetics) The total number of distinct states of a system.

(cybernetics) Logarithm of the base 2 of the total number of distinct states of a system.

(linguistics) A term used for a specific form of a language, neutral to whether that form is a dialect, accent, register, etc. and to its prestige level.

The class of all algebraic structures of a given signature satisfying a given set of identities.