polymictadj.

Brit.

/ˈpɒlɪmɪkt/, U.S.

/ˈpɑliˌmɪkt/

Origin: A borrowing from Greek, combined with an English element; modelled on a German lexical item. Etymons: poly- comb. form, Greek μικτός.

Etymology: < poly- comb. form + ancient Greek μικτός mixed (see mictic adj.), after German polymikt ( H. Rosenbusch Elemente der Gesteinlehre (1898) 17). Compare polymictic adj.

Geology.

= polymictic adj. 1.

ΘΚΠ

the world > the earth > structure of the earth > constituent materials > rock > mineral or chemical composition > [adjective] > containing one or more mineral

polysomatic1888

polymetallic1892

monomineral1911

monomineralic1911

oligomictic1935

polymict1935

polymictic1935

polymineral1938

1931 A. Johannsen Descr. Petrogr. Igneous Rocks I. i. 7 Rocks may be composed of a single mineral only..or they may be composed of aggregates of several minerals. The former are called monomineral rocks by Vogt and monomikt by Rosenbusch, and the latter polymikt by Rosenbusch.]

1935 Geografiska Annaler 17 191 Sandstones and sandy shales predominate but also gravelly beds and polymict conglomerates occur.

1952 W. Wahl in Geochim. et Cosmochim. Acta 2 91 It is proposed to call..breccias in which the enclosed fragments are of a foreign material as compared with the surrounding principal mass of stone..‘polymict breccias’.

1973 Philos. Trans. (Royal Soc.) A. 273 392 The conglomerates are characterized by the extreme polymict nature of the boulders, cobbles and pebbles.

1993 Science 9 Apr. 186/3 The howardites are polymict breccias consisting of eucrite and diogenite fragments.

This entry has been updated (OED Third Edition, September 2006; most recently modified version published online March 2022).

单词	polymict
释义	polymictadj. Brit. /ˈpɒlɪmɪkt/, U.S. /ˈpɑliˌmɪkt/ Origin: A borrowing from Greek, combined with an English element; modelled on a German lexical item. Etymons: poly- comb. form, Greek μικτός. Etymology: < poly- comb. form + ancient Greek μικτός mixed (see mictic adj.), after German polymikt ( H. Rosenbusch Elemente der Gesteinlehre (1898) 17). Compare polymictic adj. Geology. = polymictic adj. 1. ΘΚΠ the world > the earth > structure of the earth > constituent materials > rock > mineral or chemical composition > [adjective] > containing one or more mineral polysomatic1888 polymetallic1892 monomineral1911 monomineralic1911 oligomictic1935 polymict1935 polymictic1935 polymineral1938 1931 A. Johannsen Descr. Petrogr. Igneous Rocks I. i. 7 Rocks may be composed of a single mineral only..or they may be composed of aggregates of several minerals. The former are called monomineral rocks by Vogt and monomikt by Rosenbusch, and the latter polymikt by Rosenbusch.] 1935 Geografiska Annaler 17 191 Sandstones and sandy shales predominate but also gravelly beds and polymict conglomerates occur. 1952 W. Wahl in Geochim. et Cosmochim. Acta 2 91 It is proposed to call..breccias in which the enclosed fragments are of a foreign material as compared with the surrounding principal mass of stone..‘polymict breccias’. 1973 Philos. Trans. (Royal Soc.) A. 273 392 The conglomerates are characterized by the extreme polymict nature of the boulders, cobbles and pebbles. 1993 Science 9 Apr. 186/3 The howardites are polymict breccias consisting of eucrite and diogenite fragments. This entry has been updated (OED Third Edition, September 2006; most recently modified version published online March 2022). < adj.1935
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