Variety

From French varietÃ©, from Latin varietÄs ("difference, diversity"), from varius ("different, various"); see various.

Full definition of variety

(plural varieties)

1898, Winston Churchill, The Celebrity Chapter 4, 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.
2013-01, Katie L. Burke, Ecological Dependency, 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 â€œthe next big one.â€ His quest leads him around the world to study a variety of suspect zoonosesâ€”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.
(algebra, esp. universal algebra) The class of all algebraic structures of a given signature satisfying a given set of identities.