Useful english dictionary. 2012.
Precambrian — For the album by German band The Ocean, see Precambrian (album). Precambrian Period 4567.17–542 million years ago … Wikipedia
Precambrian aeon — noun the eon following the Hadean time and preceding the Phanerozoic eon; from about 3,800 million years ago until 544 million years ago • Syn: ↑Precambrian, ↑Precambrian eon, ↑Precambrian period • Instance Hypernyms: ↑eon, ↑aeon • Part Meronym … Useful english dictionary
Precambrian eon — noun the eon following the Hadean time and preceding the Phanerozoic eon; from about 3,800 million years ago until 544 million years ago • Syn: ↑Precambrian, ↑Precambrian aeon, ↑Precambrian period • Instance Hypernyms: ↑eon, ↑aeon • Part Meron … Useful english dictionary
Precambrian — [prē kam′brē ən] adj. [sometimes p ] designating or of the division of geologic time covering all the time before the Cambrian Period, equivalent to the Archean Eon and the Proterozoic Eon designating or of the division of geologic time covering… … English World dictionary
Precambrian — ► ADJECTIVE Geology ▪ relating to the earliest aeon of the earth s history, preceding the Cambrian period and ending about 570 million years ago, a time when living organisms first appeared … English terms dictionary
Precambrian time — Interval of geologic time from с 3. 8 billion years ago, the age of the oldest known rocks, to 544 million years ago, the beginning of the Cambrian Period. This interval represents more than 80% of the geologic record and thus provides important… … Universalium
Precambrian — /ˌpriˈkæmbriən/ (say .pree kambreeuhn) Obsolete –adjective 1. relating to the time or systems of rocks older than the Cambrian. –noun 2. the geological period, era, or systems of rocks older than the Cambrian, comprising the longest period of… …
period — Synonyms and related words: Alexandrine, Archean, Archeozoic, Cambrian, Carboniferous, Cenozoic, Comanchean, Cretaceous, Devonian, Eocene, Glacial, Holocene, Lower Cretaceous, Lower Tertiary, Mesozoic, Miocene, Mississippian, Oligocene, Paleocene … Moby Thesaurus
Precambrian — adj. of the earliest geological period … English contemporary dictionary
Precambrian — [pri: kambrɪən] adjective Geology relating to or denoting the earliest aeon of the earth s history, preceding the Cambrian period and ending about 570 million years ago (comprising the Archaean and Proterozoic aeons) … English new terms dictionary
