HyperDic: time_unit

English > 1 sense of the expression time unit:
NOUNtimetime unit, unit of timea unit for measuring time periods
English > time unit: 1 sense > noun 1, time
MeaningA unit for measuring time periods.
Synonymunit of time
Narrowerattosecondone quintillionth (10^-18) of a second
bell, ship's bell(nautical) each of the eight half-hour units of nautical time signaled by strokes of a ship's bell
day, twenty-four hours, twenty-four hour period, 24-hour interval, solar day, mean solar dayTime for Earth to make a complete rotation on its axis
femtosecondOne quadrillionth (10^-15) of a second
half-hour, 30 minutesA half of an hour
hour, hr, 60 minutesA period of time equal to 1/24th of a day
mean time, mean solar time(astronomy) time based on the motion of the mean sun (an imaginary sun moving uniformly along the celestial equator)
microsecondOne millionth (10^-6) of a second
millisecond, msecOne thousandth (10^-3) of a second
minute, minA unit of time equal to 60 seconds or 1/60th of an hour
monthA time unit of approximately 30 days
nanosecondOne billionth (10^-9) of a second
nightThe dark part of the diurnal cycle considered a time unit
picosecondOne trillionth (10^-12) of a second
quarterA unit of time equal to 15 minutes or a quarter of an hour
quarter-hour, 15 minutesA quarter of an hour
second, sec, s1/60 of a minute
sidereal day, dayThe time for one complete rotation of the earth relative to a particular star, about 4 minutes shorter than a mean solar day
terrestrial time, TT, terrestrial dynamical time, TDT, ephemeris time(astronomy) a measure of time defined by Earth's orbital motion
Broadermeasure, quantity, amountHow much there is or how many there are of something that you can quantify
Spanishunidad de tiempo
Catalanunitat de temps

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