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1 quaternary
quaternary [kwə'tɜ:nərɪ]Chemistry & Mathematics quaternaire2 noun(set of four) ensemble m de quatre (éléments)quaternaire2 noun∎ the Quaternary le quaternaire -
2 quaternary
A n2 Geol the Quaternary le quaternaire. -
3 quaternary
[kwə'tɜːnərɪ] 1.1) Mathematics quatre m; ( set) ensemble m de quatre2)2.the Quaternary — ( in geology) le quaternaire
adjective quaternaire
См. также в других словарях:
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 ammonium muscle relaxants — are quaternary ammonium salts used as drugs for muscle relaxation, most commonly in anasthesia. It is necessary to prevent spontaneous movement of muscle during surgical operations. Muscle relaxants inhibit neuron transmission to muscle by… … 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 numeral system — Quaternary is the base num|4 numeral system. It uses the digits 0, 1, 2 and 3 to represent any real number.It shares with all fixed radix numeral systems many properties, such as the ability to represent any real number with a canonical… … Wikipedia
Quaternary ammonium cation — Quaternary ammonium cations, also known as quats, are positively charged polyatomic ions of the structure NR4+ with R being alkyl groups. Unlike the ammonium ion NH4+ itself and primary, secondary, or tertiary ammonium cations, the quaternary… … Wikipedia
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 sector of the economy — The quaternary sector of the economy is an extension of the Three sector hypothesis of industrial evolution. It principally concerns the intellectual services: information generation, information sharing, consultation, education and research and… … 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 Icefall — (coord|77|18|S|166|30|E|type:glacier region:AQ|display=inline,title) is a western lobe of the Mount Bird icecap, descending steeply into Wohlschlag Bay 1 mile (1.6 km) south of Cinder Hill on Ross Island. The site was mapped and so named by the… … Wikipedia
Quaternary — Qua*ter na*ry, n. [L. numerus quaternarius: cf. F. quaternaire.] 1. The number four. Boyle. [1913 Webster] 2. (Geol.) The Quaternary age, era, or formation. See the Chart of {Geology}. [1913 Webster] … The Collaborative International Dictionary of English
Quaternary — Qua*ter na*ry, a. [L. quaternarius consisting of four each, containing four, fr. quaterni four each, fr. quattuor four: cf. F. quaternaire. See {Four}.] [1913 Webster] 1. Consisting of four; by fours, or in sets of four. [1913 Webster] 2. (Geol.) … The Collaborative International Dictionary of English