Time – Definition, Meaning & Synonyms
- geologic time, geological time
the time of the physical formation and development of the earth (especially prior to human history)
- biological time
the time of various biological processes
- cosmic time
the time covered by the physical formation and development of the universe
- civil time, local time, standard time
the official time in a local region (adjusted for location around the Earth); established by law or custom
- daylight saving, daylight savings, daylight-saving time, daylight-savings time
time during which clocks are set one hour ahead of local standard time; widely adopted during summer to provide extra daylight in the evenings
- nowadays, present
the period of time that is happening now; any continuous stretch of time including the moment of speech
- past, past times, yesteryear
the time that has elapsed
- musical time
(music) the beat of musical rhythm
- continuum
a continuous nonspatial whole or extent or succession in which no part or portion is distinct or distinguishable from adjacent parts
- continuance, duration
the property of enduring or continuing in time
- eternity, infinity
time without end
- beat, musical rhythm, rhythm
the basic rhythmic unit in a piece of music
- now
the momentary present
- date
the present
- yore
time long past
- bygone, water under the bridge
past events to be put aside
- old
past times (especially in the phrase `in days of old’)
- history
the aggregate of past events
- kingdom come
the end of time
- history
the continuum of events occurring in succession leading from the past to the present and even into the future
- UTC, coordinated universal time
Greenwich Mean Time updated with leap seconds
- Atlantic Standard Time, Atlantic Time
standard time in the 4th time zone west of Greenwich, reckoned at the 60th meridian; used in Puerto Rico and the Virgin Islands and Bermuda and the Canadian Maritime Provinces
- EST, Eastern Standard Time, Eastern Time
standard time in the 5th time zone west of Greenwich, reckoned at the 75th meridian; used in the eastern United States
- CST, Central Standard Time, Central Time
standard time in the 6th time zone west of Greenwich, reckoned at the 90th meridian; used in the central United States
- MST, Mountain Standard Time, Mountain Time
standard time in the 7th time zone west of Greenwich, reckoned at the 105th meridian west; used in the mountain states of the United States
- PST, Pacific Standard Time, Pacific Time
standard time in the 8th time zone west of Greenwich, reckoned at the 120th meridian west; used in far western states of the United States
- Alaska Standard Time, Yukon Time
standard time in the 9th time zone west of Greenwich, reckoned at the 135th meridian west; used in Hawaii and most of Alaska
- Hawaii Standard Time, Hawaii Time
standard time in the 10th time zone west of Greenwich, reckoned at the 150th meridian west; used in Hawaii and the western Aleutian Islands
- Bering Standard Time, Bering Time
standard time in the 11th time zone west of Greenwich, reckoned at the 165th meridian west; used in the Midway Islands
- nonce, time being
the present occasion
- circadian rhythm
a daily cycle of activity observed in many living organisms
- change of life, climacteric, menopause
the time in a woman’s life in which the menstrual cycle ends
- climacteric
a period in a man’s life corresponding to menopause
- sidereal time
measured by the diurnal motion of stars
- solstice
either of the two times of the year when the sun is at its greatest distance from the celestial equator
- equinox
either of two times of the year when the sun crosses the plane of the earth’s equator and day and night are of equal length
- gestation, gestation period
the period during which an embryo develops (about 266 days in humans)
- refractory period
(neurology) the time after a neuron fires or a muscle fiber contracts during which a stimulus will not evoke a response
- aeon, eon
the longest division of geological time
- alpha and omega
the first and last; signifies God’s eternity
- geological period, period
a unit of geological time during which a system of rocks formed
- era, geological era
a major division of geological time; an era is usually divided into two or more periods
- epoch
a unit of geological time that is a subdivision of a period and is itself divided into ages
- time immemorial, time out of mind
the distant past beyond memory
- by-and-by
an indefinite time in the future
- today
the present time or age
- tonight
the present or immediately coming night
- yesterday
the recent past
- offing
the near or foreseeable future
- tomorrow
the near future
- manana
an indefinite time in the future
- duple time
musical time with two beats in each bar
- triple time
musical time with three beats in each bar
- pacing, tempo
(music) the speed at which a composition is to be played
- in time
in the correct rhythm
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