a specified or unspecified amount or number
(also in pl) a considerable amount or number
They wept like anything to see such quantities of sand — Lewis Carroll
the aspect in which something is measurable in terms of magnitude
a number, value, etc subjected to a mathematical operation
somebody or something to take into account or be reckoned with
is an unknown quantity
in phonetics, the relative duration of a speech sound or sound sequence
in philosophy, the character of a logical proposition as universal, particular, or singular
[Middle English quantite via Old French from Latin quantitat-, quantitas, from quantus how much, how large]