clastic, a.
(ˈklæstɪk)
[f. Gr. type *κλαστικός, f. κλαστός broken, f. κλά-ειν to break, break off.]
a. Geol. Consisting of broken pieces of older rocks. b. Anat. (Of a model) Composed of a number of separable pieces; pertaining to such a model.
| 1875 Hamerton Intell. Life iii. ix. 117 The clastic anatomical man-model of the ingenious doctor Anzoux. 1877 Green Phys. Geol. 93 Rocks..made up of broken pieces of pre-existing rocks are spoken of as Clastic..or Derivative. 1879 Rutley Study Rocks xiv. 299 Among the fragmentary or clastic rocks. 1881 Syd. Soc. Lex., Clastic, fragile; separable into fragments. Term applied to models which can be taken to pieces. |