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单词 clastic
释义

clasticadj.

Brit. /ˈklastɪk/, U.S. /ˈklæstɪk/
Etymology: < Greek type *κλαστικός, < κλαστός broken, < κλᾶν to break, break off.
a. Geology. Consisting of broken pieces of older rocks.
ΘΚΠ
the world > the earth > structure of the earth > constituent materials > rock > composite rock > [adjective] > fragmentary
fragmentary1832
pyroclastic1862
clastic1877
fragmental1882
cataclastic1887
autoclastic1891
siliciclastic1961
volcaniclastic1961
1877 A. H. Green Geol. for Students: Physical Geol. (ed. 2) 93 Rocks..made up of broken pieces of pre-existing rocks are spoken of as Clastic..or Derivative.
1879 F. Rutley Study of Rocks xiv. 299 Among the fragmentary or clastic rocks.
b. Anatomy. Of a model: composed of a number of separable pieces; pertaining to such a model.
ΘΚΠ
the world > life > biology > laboratory analysis > apparatus > [adjective]
clastic1873
1873 P. G. Hamerton Intellect. Life iii. ix. 117 The clastic anatomical man-model of the ingenious doctor Auzoux.
1881 New Sydenham Soc. Lexicon Clastic, fragile; separable into fragments. Term applied to models which can be taken to pieces.
This entry has not yet been fully updated (first published 1889; most recently modified version published online March 2022).

> see also

also refers to : -clasticcomb. form
<
adj.1873
see also
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