miaroliticadj.

Brit.

/ˌmiːərə(ʊ)ˈlɪtɪk/, U.S.

/ˌmiərəˈlɪdɪk/

Origin: A borrowing from German, combined with an English element. Etymons: German miarolitisch , -ic suffix.

Etymology: < German miarolit- (in miarolitisch (H. Rosenbusch Mikrosk. Physiogr. (ed. 2, 1887) II. 39; < Miarolit a type of granite (1877 in the first edition of Mikrosk. Physiogr.) + -isch -ish suffix¹)) + -ic suffix. German Miarolit is < Italian (northern) miarolo a type of granite from the Lake Maggiore area in northern Italy ( < Italian regional (Lombardy) miaroeu granite) + German -lit -lite comb. form¹. Compare German Miarole small cavity in igneous rock containing minerals in the form of crystals.

Geology.

Of an igneous rock or its structure: characterized by irregular cavities into which crystals project. Also: designating such cavities.

ΘΚΠ

the world > the earth > minerals > mineral structure or appearance > [adjective] > cavity

miarolitic1889

the world > the earth > structure of the earth > constituent materials > rock > texture or colour > [adjective] > texture > embedded crystals

ophitical1611

ophitic1870

poikilitic1886

hyalopilitic1888

miarolitic1889

hyalo-ophitic1920

poikiloblastic1920

porphyroblastic1920

porphyroclastic1920

1889 Q. Jrnl. Geol. Soc. May 176 The structures which specially distinguish these granophyric rocks are..the centric or ocellar structure..and the drusy or miarolitic structures.

1895 A. Harker Petrol. ii. 31 Vacant spaces are apt to occur, into which project the sharp angles of well-formed crystals. This miarolitic or drusy structure is more or less marked in some granites (e.g. the Mourne Mts in Ireland).

1931 A. Johannsen Descriptive Petrogr. Igneous Rocks I. iii. 36 Miarolitic cavities are generally irregular and angular in form, and are seldom more than a few inches in diameter.

1970 Nature 28 Nov. 850/2 The nepheline gabbro..is a subangular block coated by a thin crust of MnO₂... The texture is ophitic and miarolitic.

1995 Econ. Geol. 90 2310/2 Crystal terminations and external nucleation characterize the texture that we call miarolitic.

This entry has been updated (OED Third Edition, December 2001; most recently modified version published online March 2022).

单词	miarolitic
释义	miaroliticadj. Brit. /ˌmiːərə(ʊ)ˈlɪtɪk/, U.S. /ˌmiərəˈlɪdɪk/ Origin: A borrowing from German, combined with an English element. Etymons: German miarolitisch , -ic suffix. Etymology: < German miarolit- (in miarolitisch (H. Rosenbusch Mikrosk. Physiogr. (ed. 2, 1887) II. 39; < Miarolit a type of granite (1877 in the first edition of Mikrosk. Physiogr.) + -isch -ish suffix¹)) + -ic suffix. German Miarolit is < Italian (northern) miarolo a type of granite from the Lake Maggiore area in northern Italy ( < Italian regional (Lombardy) miaroeu granite) + German -lit -lite comb. form¹. Compare German Miarole small cavity in igneous rock containing minerals in the form of crystals. Geology. Of an igneous rock or its structure: characterized by irregular cavities into which crystals project. Also: designating such cavities. ΘΚΠ the world > the earth > minerals > mineral structure or appearance > [adjective] > cavity miarolitic1889 the world > the earth > structure of the earth > constituent materials > rock > texture or colour > [adjective] > texture > embedded crystals ophitical1611 ophitic1870 poikilitic1886 hyalopilitic1888 miarolitic1889 hyalo-ophitic1920 poikiloblastic1920 porphyroblastic1920 porphyroclastic1920 1889 Q. Jrnl. Geol. Soc. May 176 The structures which specially distinguish these granophyric rocks are..the centric or ocellar structure..and the drusy or miarolitic structures. 1895 A. Harker Petrol. ii. 31 Vacant spaces are apt to occur, into which project the sharp angles of well-formed crystals. This miarolitic or drusy structure is more or less marked in some granites (e.g. the Mourne Mts in Ireland). 1931 A. Johannsen Descriptive Petrogr. Igneous Rocks I. iii. 36 Miarolitic cavities are generally irregular and angular in form, and are seldom more than a few inches in diameter. 1970 Nature 28 Nov. 850/2 The nepheline gabbro..is a subangular block coated by a thin crust of MnO₂... The texture is ophitic and miarolitic. 1995 Econ. Geol. 90 2310/2 Crystal terminations and external nucleation characterize the texture that we call miarolitic. This entry has been updated (OED Third Edition, December 2001; most recently modified version published online March 2022). < adj.1889
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