quaternary

quaternary
1. Denoting a chemical compound containing four elements; e.g., NaHSO4. Cf.:q. structure. 2. Fourth in a series. 3. Relating to organic compounds in which some central atom is attached to four functional groups; applied to the usually trivalent nitrogen in its “onium” state, R4N+, “q. nitrogen.” 4. Referring to a level of structure of macromolecules in which more than one biopolymer is present. Cf.:q. structure. [L. quaternarius, fr. quaterni, four each, fr. quattuor, four, + -arius, adj. suffix]

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qua·ter·na·ry 'kwät-ə(r)-.ner-ē, kwə-'tər-nə-rē adj consisting of, containing, or being an atom bonded to four other atoms
quaternary n, pl -ries QUATERNARY AMMONIUM COMPOUND

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qua·ter·nary (kwahґtər-nar″e) (kwah-turґnər-e) [L. quaternarius, from quattuor four] 1. fourth in order. 2. containing four elements or groups.

Medical dictionary. 2011.

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  • 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 — Album par Mötley Crüe Sortie 1994 Durée 18:55 45:33 Genre Heavy metal Format CD Producteur Bob Rock …   Wikipédia en Français

  • 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

  • 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 — ► ADJECTIVE 1) fourth in order or rank. 2) (Quaternary) Geology relating to the most recent period in the Cenozoic era, from about 1.64 million years ago to the present. ORIGIN Latin quaternarius, from quater four times …   English terms dictionary

  • quaternary — (adj.) early 15c., consisting of four parts, from L. quaternarius of four each, from quaterni four each, from quater four times, related to quattuor four (see FOUR (Cf. four)). In geological sense, attested from 1843, proposed 1829 by French… …   Etymology 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 (EP) — Infobox Album | Name = Quaternary Type = EP Artist = Mötley Crüe Released = 1994 Recorded = ? Genre = Heavy Metal Length = 18:55 Label = Elektra Producer = Bob Rock Reviews = Last album = Mötley Crüe (1994) This album = Quaternary (1994) Next… …   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

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