Quaternary period — noun last 2 million years • Syn: ↑Quaternary, ↑Age of Man • Instance Hypernyms: ↑period, ↑geological period • Part Holonyms: ↑Cenozoic, ↑Cenozoic era, ↑ … Useful english dictionary
Quaternary science — is an inter disciplinary field of study focusing on the Quaternary period, which encompasses the last 2.6 million years. The field studies the last ice age and the recent interstadial the Holocene and uses proxy evidence to reconstruct the past… … Wikipedia
quaternary — [kwät′ər ner΄ē, kwə tʉr′nə rē] adj. [L quaternarius < quaterni, four together, four each < quater, four times < base of quattuor,FOUR] 1. consisting of four; in sets of four 2. [usually Q ] designating or of the second and current… … English World dictionary
quaternary — /kwot euhr ner ee, kweuh terr neuh ree/, adj., n., pl. quaternaries. adj. 1. consisting of four. 2. arranged in fours. 3. (cap.) Geol. noting or pertaining to the present period of earth history, forming the latter part of the Cenozoic Era,… … Universalium
Quaternary — The Quaternary Period is the geologic time period after the Neogene Period roughly 2.588 million years ago to the present. The Quaternary includes two geologic epochs: the Pleistocene including Gelasian, that used to belong to the Pliocene and… … Wikipedia
Quaternary extinction event — Late Pleistocene landscape of northern Eurasia The Quaternary period saw the extinctions of numerous predominantly larger, especially megafaunal, species, many of which occurred during the transition from the Pleistocene to the Holocene epoch.… … Wikipedia
Quaternary glaciation — The Ice Age redirects here. For other uses, see Ice age (disambiguation). Last ice age redirects here. This term is also used for the last glacial period of the Quaternary glaciation. Northern Hemisphere glaciation during the Last Glacial Maximum … Wikipedia
Quaternary — adj. & n. adj. 1 having four parts. 2 (Quaternary) Geol. of or relating to the most recent period in the Cenozoic era with evidence of many species of present day plants and animals (cf. PLEISTOCENE, HOLOCENE). Usage: Cf. Appendix II. n. (pl.… … Useful english dictionary
quaternary — adj. & n. adj. 1 having four parts. 2 (Quaternary) Geol. of or relating to the most recent period in the Cenozoic era with evidence of many species of present day plants and animals (cf. PLEISTOCENE, HOLOCENE). Usage: Cf. Appendix II. n. (pl.… … Useful english dictionary
period — /pear ee euhd/, n. 1. a rather large interval of time that is meaningful in the life of a person, in history, etc., because of its particular characteristics: a period of illness; a period of great profitability for a company; a period of social… … Universalium
