metasomatic, a.
(ˌmɛtəsəʊˈmætɪk)
[f. prec. or next: see -ic.]
1. Zool. Pertaining to the metasoma.
| 1890 in Century Dict. 1893 Shipley Zool. Invert. 398 Extends into the narrow metasomatic segments. |
2. Geol. Pertaining to or of the nature of metasomatism.
| 1886 T. S. Hunt Min. Physiol. & Physiogr. 84 A metasomatic hypothesis of the origin of crystalline rocks. 1896 Van Hise in 16th Rep. U.S. Geol. Surv. i. 690 Minerals..produced from other minerals by metasomatic processes. |
Hence metasoˈmatically adv.
| 1921 Geol. Mag. LVIII. 553 The great eastern mass of rauhaugite is metasomatically derived from sövite. 1965 Amer. Mineralogist L. 1485 Hibschite or hydrogrossular..has long been known from..metasomatically altered anorthosites and pyroxenites. |