adj First in importance, degree, or rank.
adj First in time, order, or sequence.
adj First in excellence, quality, or value.
adj (mathematics, lay) Having exactly two integral factors: itself and unity (1 in the case of integers).
adj (mathematics, technical) Such that if it divides a product, it divides one of the multiplicands.
adj (mathematics) Having its complement closed under multiplication: said only of ideals.
adj Marked or distinguished by the prime symbol.
adj Early; blooming; being in the first stage.
adj (obsolete) Lecherous, lewd, lustful.
n (historical) The first hour of daylight; the first canonical hour.
n (Christianity) The religious service appointed to this hour.
n (obsolete) The early morning generally.
n (now rare) The earliest stage of something.
n The most active, thriving, or successful stage or period.
n The chief or best individual or part.
n Something which is first in importance or rank: a prime defense company, mortgage lender, etc.
n (music) The first note or tone of a musical scale.
n (fencing) The first defensive position, with the sword hand held at head height, and the tip of the sword at head height.
n (algebra, number theory) A prime element of a mathematical structure, particularly a prime number.
n (card games) A four-card hand containing one card of each suit in the game of primero; the opposite of a flush in poker.
n (backgammon) Six consecutive blocks, which prevent the opponent's pieces from passing.
n The symbol ′ used to indicate feet, minutes, derivation and other measures and mathematical operations.
n (chemistry, obsolete) Any number expressing the combining weight or equivalent of any particular element; so called because these numbers were respectively reduced to their lowest relative terms on the fixed standard of hydrogen as 1.
n An inch, as composed of twelve seconds in the duodecimal system.
n (obsolete) The priming in a flintlock.
n A feather, from the wing of the cock ostrich, that is of the palest possible shade.
v (transitive) To fill or prepare the chamber of a mechanism for its main work.
v (transitive) To apply a coat of primer paint to.
v (obsolete, intransitive) To be renewed.
v (intransitive) To serve as priming for the charge of a gun.
v (intransitive, of a steam boiler) To work so that foaming occurs from too violent ebullition, which causes water to become mixed with, and be carried along with, the steam that is formed.
v To apply priming to (a musket or cannon); to apply a primer to (a metallic cartridge).
v To prepare; to make ready; to instruct beforehand; to coach.
v (UK, dialect, obsolete) To trim or prune.
v (mathematics) To mark with a prime mark.
n (cycling) An intermediate sprint within a race, usually offering a prize and/or points.
n A surname.
n (film) Contraction of prime lens, a film lens. [(photography) A photographic lens with a constant focal length, as opposed to a zoom lens.]