TIME UNIT

Pronunciation (US):

(GB):

IPA (US):

 Dictionary entry overview: What does time unit mean? 

• TIME UNIT (noun)
  The noun TIME UNIT has 1 sense:

1. a unit for measuring time periods

  Familiarity information: TIME UNIT used as a noun is very rare.

 Dictionary entry details 

• TIME UNIT (noun)

Sense 1

Meaning:

A unit for measuring time periods

Classified under:

Nouns denoting time and temporal relations

Synonyms:

time unit; unit of time

Hypernyms ("time unit" is a kind of...):

amount; measure; quantity (how much there is or how many there are of something that you can quantify)

Hyponyms (each of the following is a kind of "time unit"):

15 minutes; quarter-hour (a quarter of an hour)

millisecond; msec (one thousandth (10^-3) of a second)

microsecond (one millionth (10^-6) of a second; one thousandth of a millisecond)

nanosecond (one billionth (10^-9) of a second; one thousandth of a microsecond)

picosecond (one trillionth (10^-12) of a second; one thousandth of a nanosecond)

femtosecond (one quadrillionth (10^-15) of a second; one thousandth of a picosecond)

attosecond (one quintillionth (10^-18) of a second; one thousandth of a femtosecond)

s; sec; second (1/60 of a minute; the basic unit of time adopted under the Systeme International d'Unites)

quarter (a unit of time equal to 15 minutes or a quarter of an hour)

min; minute (a unit of time equal to 60 seconds or 1/60th of an hour)

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)

30 minutes; half-hour (a half of an hour)

60 minutes; hour; hr (a period of time equal to 1/24th of a day)

bell; ship's 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.)

day; sidereal day (the time for one complete rotation of the earth relative to a particular star, about 4 minutes shorter than a mean solar day)

month (a time unit of approximately 30 days)

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)

mean solar time; mean time ((astronomy) time based on the motion of the mean sun (an imaginary sun moving uniformly along the celestial equator))

night (the dark part of the diurnal cycle considered a time unit)