Dictionary definition · prime
noun
- a natural number that has exactly two distinct natural number divisors: 1 and itself
- the period of greatest prosperity or productivity
- the second canonical hour; about 6 a.m.
- the time of maturity when power and vigor are greatest
verb
- insert a primer into (a gun, mine, or charge) preparatory to detonation or firing"prime a cannon"
- cover with a primer; apply a primer to
- fill with priming liquid"prime a car engine"
adjective
- first in rank or degree"an architect of premier rank"
- used of the first or originating agent"prime mover"
- of superior grade"choice wines"
- of or relating to or being an integer that cannot be factored into other integers"prime number"
- being at the best stage of development"our manhood's prime vigor"
Source: Open English WordNet (CC BY 4.0).