unit of time

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Noun1.unit of time - a unit for measuring time periodsunit of time - a unit for measuring time periods  
quantity, measure, amount - how much there is or how many there are of something that you can quantify
24-hour interval, day, mean solar day, solar day, twenty-four hour period, twenty-four hours - time for Earth to make a complete rotation on its axis; "two days later they left"; "they put on two performances every day"; "there are 30,000 passengers per day"
night - the dark part of the diurnal cycle considered a time unit; "three nights later he collapsed"
mean solar time, mean time - (astronomy) time based on the motion of the mean sun (an imaginary sun moving uniformly along the celestial equator)
ephemeris time, TDT, terrestrial dynamical time, terrestrial time, TT - (astronomy) a measure of time defined by Earth's orbital motion; terrestrial time is mean solar time corrected for the irregularities of the Earth's motions
month - a time unit of approximately 30 days; "he was given a month to pay the bill"
sidereal day, day - the time for one complete rotation of the earth relative to a particular star, about 4 minutes shorter than a mean solar day
ship's bell, bell - (nautical) each of the eight half-hour units of nautical time signaled by strokes of a ship's bell; eight bells signals 4:00, 8:00, or 12:00 o'clock, either a.m. or p.m.
60 minutes, hour, hr - a period of time equal to 1/24th of a day; "the job will take more than an hour"
30 minutes, half-hour - a half of an hour
15 minutes, quarter-hour - a quarter of an hour
min, minute - a unit of time equal to 60 seconds or 1/60th of an hour; "he ran a 4 minute mile"
quarter - a unit of time equal to 15 minutes or a quarter of an hour; "it's a quarter til 4"; "a quarter after 4 o'clock"
s, sec, second - 1/60 of a minute; the basic unit of time adopted under the Systeme International d'Unites
attosecond - one quintillionth (10^-18) of a second; one thousandth of a femtosecond
femtosecond - one quadrillionth (10^-15) of a second; one thousandth of a picosecond
picosecond - one trillionth (10^-12) of a second; one thousandth of a nanosecond
nanosecond - one billionth (10^-9) of a second; one thousandth of a microsecond
microsecond - one millionth (10^-6) of a second; one thousandth of a millisecond
millisecond, msec - one thousandth (10^-3) of a second
References in periodicals archive ?
Facebook has invented a new unit of time called Flick which may turn out to be a boon for content creators.
The films will be released by Warner Bros, a unit of Time Warner Inc.
She makes the canny observation that a day is a piece of time too small for a middle-aged working mom to contemplate; a week is the smallest unit of time she experiences, or even a month--life measured out in bills due.
1 : a unit of time equal to 60 seconds : the 60th part of an hour
A jiffy is an actual unit of time for 1/100th of a second.
0] (the mean number of secondary cases per initial index case), and other variables (the blood screening window [omega], the mean number k of blood donations per person and per unit of time, and the mean duration of infectiousness 1/r) (see online Appendix at: http://www.
The detection system can process twice an many pulses per unit of time as conventional systems and can map a complete sample surface of 250mm x 260mm in less than two hours, simultaneously detecting all elements from Na to U.
Over the unit's service life, failure per unit of time is constant.
Speed tests measure the body's displacement per unit of time.
This unit of time, with only supernatural roots, has proven durable in cultures which have never heard the story in Genesis 1, and has resisted attempts to make it more numerically sophisticated, as in the 10-day week introduced after the French revolution.
The quantity of metal discharged from the pouring furnace per unit of time is determined by the distance traveled by the stopper and the diameter of the outlet opening.
For example, given the coordinates of a starting point, a set of equations (termed a "mapping") supplies a way of computing a particular system's new coordinates (or state) one unit of time later.