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单词 θ6586
释义
the world > the earth > minerals > types of mineral > hydrocarbon minerals > [noun] > coal > other types of coal (10)
peacock coal1686

iridescent coal.

bone1817

Mining. Slaty or shaly material embedded in coal seams; coal containing such material. Cf. bony, adj. 3.

paper coal1833

(a) a thinly foliated variety of coal, esp. one consisting of the matted remains of the cuticles of plants; (b) the resinous mineral dysodile (rare).

red ash1836

U.S. A variety of coal producing ash of a red colour when burned (more fully red ash coal); frequently attributive.

oil coal1856

coal from which oil is obtained.

rattlejack1877

(a) English regional yellow rattle, Rhinanthus minor (cf. sense 1) (rare); (b) shaly coal; also in plural (now rare).

fusain1883

Anglicized as/ˈfjuːzeɪn/. A friable, porous type of coal that occurs as dull layers or masses in bituminous seams; ‘mineral charcoal’.

black coal1887

Scottish. A kind of fine-grained coal or jet used for making marks on wood and stone. Obsolete. rare.

clarain1919

A kind of coal; an ingredient of coal (see quots.).

vitrain1919

A black, highly lustrous, and often brittle type of coal.

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更新时间:2024/9/20 18:47:39