metamorphism

Metamorphism — Met a*mor phism, n. (Geol.) The state or quality of being metamorphic; the process by which the material of rock masses has been more or less recrystallized by heat, pressure, etc., as in the change of sedimentary limestone to marble. Murchison.… …   The Collaborative International Dictionary of English

metamorphism — (n.) 1837, from METAMORPHIC (Cf. metamorphic) + ISM (Cf. ism) …   Etymology dictionary

metamorphism — [met΄əmôr′fiz΄əm] n. 1. METAMORPHOSIS 2. change in the mineralogical, structural, or textural composition of rocks under pressure, heat, chemical action, etc., which turns limestone into marble, granite into gneiss, etc …   English World dictionary

Metamorphism — For other uses, see Metamorphism (disambiguation). Schematic representation of a metamorphic reaction. Abbreviations of minerals: act = actinolite; chl = chlorite; ep = epidote; gt = garnet; hbl = hornblende; plag = plagioclase. Two minerals… …   Wikipedia

metamorphism — /met euh mawr fiz euhm/, n. 1. Geol. a change in the structure or constitution of a rock due to natural agencies, as pressure and heat, esp. when the rock becomes harder and more completely crystalline. 2. Archaic. metamorphosis. [1835 45; META + …   Universalium

metamorphism — GLOSSARY OF VOLCANIC TERMS In the stricktest sense (isochemical metamorphism), the process by which consolidated rocks undergo textural and mineralogical changes brought about by changes in temperature and/or pressure. The textural and/or… …   Glossary of volcanic terms

metamorphism — metamorfizmas statusas T sritis chemija apibrėžtis Uolienų struktūros, tekstūros, cheminės ir mineralinės sudėties kitimas daugiausia dėl temperatūros ir slėgio poveikio. atitikmenys: angl. metamorphism rus. метаморфизм …   Chemijos terminų aiškinamasis žodynas

metamorphism — metamorphic ► ADJECTIVE ▪ (of rock) having undergone transformation by heat, pressure, or other natural agencies. DERIVATIVES metamorphism noun …   English terms dictionary

metamorphism — noun Date: 1845 a change in the constitution of rock; specifically a pronounced change effected by pressure, heat, and water that results in a more compact and more highly crystalline condition …   New Collegiate Dictionary

metamorphism — noun a) The process by which rocks are changed into other forms by the application of heat and/or pressure. b) The process by which insects development through life stages as, for example, those of embryo, larva, pupa and imago. The life cycle of …   Wiktionary

metamorphism — metÉ™ mÉ”rfɪzm n. metamorphosis; change in form or structure due to natural agencies (Geology) …   English contemporary dictionary