Noun

• S: (n) geological time, geologic time (the time of the physical formation and development of the earth (especially prior to human history))
• direct hyponym / full hyponym
• S: (n) eon, aeon (the longest division of geological time)
• S: (n) period, geological period (a unit of geological time during which a system of rocks formed) "ganoid fishes swarmed during the earlier geological periods"
• direct hyponym / full hyponym
• part meronym
• has instance
• direct hypernym / inherited hypernym / sister term
• part holonym
• S: (n) era, geological era (a major division of geological time; an era is usually divided into two or more periods)
• S: (n) epoch (a unit of geological time that is a subdivision of a period and is itself divided into ages)
• direct hypernym / inherited hypernym / sister term
• S: (n) time (the continuum of experience in which events pass from the future through the present to the past) "he waited for along time"; "it took some time before he got an answer"; "time flies like an arrow"
• S: (n) geological time, geologic time (the time of the physical formation and development of the earth (especially prior to human history))
• S: (n) biological time (the time of various biological processes)
• S: (n) cosmic time (the time covered by the physical formation and development of the universe)
• S: (n) civil time, standard time, local time (the official time in a local region (adjusted for location around the Earth); established by law or custom)
• S: (n) daylight-saving time, daylight-savings time, daylight saving, daylight savings (time during which clocks are set one hour ahead of local standard time; widely adopted during summer to provide extra daylight in the evenings)
• S: (n) present, nowadays (the period of time that is happening now; any continuous stretch of time including the moment of speech) "that is enough for the present"; "he lives in the present with no thought of tomorrow"
• S: (n) past, past times, yesteryear (the time that has elapsed) "forget the past"
• S: (n) future, hereafter, futurity, time to come (the time yet to come)
• S: (n) musical time ((music) the beat of musical rhythm)
• S: (n) continuum (a continuous nonspatial whole or extent or succession in which no part or portion is distinct or distinguishable from adjacent parts)
• S: (n) Greenwich Mean Time, Greenwich Time, GMT, universal time, UT, UT1 (the local time at the 0 meridian passing through Greenwich, England; it is the same everywhere)
• S: (n) duration, continuance (the property of enduring or continuing in time)
• S: (n) eternity, infinity (time without end)