Quaternary system

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• quaternary system — ketursandė sistema statusas T sritis fizika atitikmenys: angl. quaternary system vok. Vierkomponentensystem, n rus. четырёхкомпонентная система, f pranc. système quaternaire, m …   Fizikos terminų žodynas

• 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 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 (disambiguation) — Quaternary (from Latin quaternarius ) is an adjective meaning consisting of or containing four each , but sometimes (as in geology) taken to mean fourth or fourth hand , where it is used in place of quartary to continue the sequence Primary,… …   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 — /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 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 — 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

• quaternary — I. adjective Etymology: Latin quaternarius, from quaterni four each Date: 1605 1. a. of, relating to, or consisting of four units or members b. of, relating to, or being a number system with a base of four 2. capitalized of, relating to, or being …   New Collegiate Dictionary

• quaternary — quat•er•nar•y [[t]ˈkwɒt ərˌnɛr i, kwəˈtɜr nə ri[/t]] adj. n. pl. nar•ies 1) consisting of four 2) arranged in fours 3) gel (cap.) of or pertaining to the present period of earth history forming the latter part of the Cenozoic Era, originating… …   From formal English to slang