geological period

noun
a unit of geological time during which a system of rocks formed
-

ganoid fishes swarmed during the earlier geological periods

Syn: ↑period
Hypernyms: ↑geological time, ↑geologic time
Hyponyms: ↑ice age, ↑glacial period, ↑glacial epoch
Instance Hyponyms:
Part Holonyms: ↑era, ↑geological era
Part Meronyms: ↑epoch

Useful english dictionary. 2012.

Look at other dictionaries:

  • geological period — geologinis periodas statusas T sritis ekologija ir aplinkotyra apibrėžtis Geologinės eros dalis – Žemės ir organinio pasaulio vystymosi etapas, per kurį susidarė vienai geologinei sistemai priklausančios uolienos. Skirstomas į geologines epochas …   Ekologijos terminų aiškinamasis žodynas

  • geological time — noun the time of the physical formation and development of the earth (especially prior to human history) • Syn: ↑geologic time • Hypernyms: ↑time • Hyponyms: ↑eon, ↑aeon, ↑period, ↑ …   Useful english dictionary

  • geological era — noun a major division of geological time; an era is usually divided into two or more periods • Syn: ↑era • Hypernyms: ↑geological time, ↑geologic time • Instance Hyponyms: ↑Cenozoic, ↑Cenozoic era, ↑ …   Useful english dictionary

  • geological — ge|o|log|i|cal [ ,dʒiə ladʒıkl ] adjective * relating to geology or the features of the Earth s surface: a geological survey a geological period ╾ ge|o|log|i|cally [ ,dʒiə ladʒıkli ] adverb …   Usage of the words and phrases in modern English

  • geological */ — UK [ˌdʒiːəˈlɒdʒɪk(ə)l] / US [ˌdʒɪəˈlɑdʒɪk(ə)l] adjective relating to geology, or to the features of the Earth s surface a geological survey a geological period Derived word: geologically UK [ˌdʒiːəˈlɒdʒɪk(ə)lɪ] / US [ˌdʒɪəˈlɑdʒɪk(ə)lɪ] adverb …   English dictionary

  • Period — Pe ri*od, n. [L. periodus, Gr. ? a going round, a way round, a circumference, a period of time; ? round, about + ? a way: cf. F. p[ e]riode.] 1. A portion of time as limited and determined by some recurring phenomenon, as by the completion of a… …   The Collaborative International Dictionary of English

  • Geological Evidences of the Antiquity of Man — is a book written by British geologist, Charles Lyell in 1863 . The first three editions appeared in February, April, and November 1863, respectively. A much revised fourth edition appeared in 1873. Antiquity of Man, as it was known to… …   Wikipedia

  • period — ► NOUN 1) a length or portion of time. 2) a distinct portion of time with particular characteristics. 3) a major division of geological time, forming part of an era. 4) a lesson in a school. 5) (also menstrual period) a monthly flow of blood and… …   English terms dictionary

  • Geological history of Earth — impacting the Earth in a glancing blow. [cite journal | last = R. Canup and E. Asphaug | title = Origin of the Moon in a giant impact near the end of the Earth s formation | journal = Nature | volume = 412 | pages = 708–712 | date = 2001 | url =… …   Wikipedia

  • Geological history of India — The geological history of India started with the geological evolution of rest of the Earth i.e. 4.57 bya (billion years ago). India has a diverse geology. Different regions in India contain rocks of all types belonging to different geologic… …   Wikipedia

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