noun the prime factors of a quantity are all of the prime quantities that will exactly divide the given quantity
(Arith.), a factor which is a prime number.
(Geom.), a figure which can not be divided into any other figure more simple than itself, as a triangle, a pyramid, etc.
prime interest rate
noun the interest rate on short-term loans that banks charge their commercial customers with high credit ratings
noun meridian at zero degree longitude from which east and west are reckoned (usually the Greenwich longitude in England)
(Astron.), the meridian from which longitude is reckoned, as the meridian of Greenwich or Washington.
noun the person who holds the position of head of the government in the United Kingdom
noun the person who is head of state (in several countries)
the responsible head of a ministry or executive government; applied particularly to that of England.
noun an agent that is the cause of all things but does not itself have a cause
primum mobile; first cause.
God is the first cause
. (Mech.)(a) A natural agency applied by man to the production of power. Especially: Muscular force; the weight and motion of fluids, as water and air; heat obtained by chemical combination, and applied to produce changes in the volume and pressure of steam, air, or other fluids; and electricity, obtained by chemical action, and applied to produce alternation of magnetic force. (b) An engine, or machine, the object of which is to receive and modify force and motion as supplied by some natural source, and apply them to drive other machines; as a water wheel, a water-pressure engine, a steam engine, a hot-air engine, etc. (c) Fig.: The original or the most effective force in any undertaking or work; as, Clarkson was the prime mover in English antislavery agitation.
noun an integer that has no integral factors but itself and 1
(Arith.), a number which is exactly divisible by no number except itself or unity, as 5, 7, 11.
prime of life
noun the time of maturity when power and vigor are greatest
Prime of the moon
the new moon at its first appearance.
noun a number that has no factor but itself and 1
noun the hours between 7 and 11 p.m. when the largest tv audience is available
(Astron.), the vertical circle which passes through the east and west points of the horizon.
a dial in which the shadow is projected on the plane of the prime vertical.
Prime-vertical transit instrument
a transit instrument the telescope of which revolves in the plane of the prime vertical, used for observing the transit of stars over this circle.
To prime a pump
to charge a pump with water, in order to put it in working condition.