tuffaceousadj.

Brit.

/tʌˈfeɪʃəs/, U.S.

/ˌtəˈfeɪʃəs/

Etymology: < tuff n. + -aceous suffix.

‘Having the properties of or composed of volcanic tuff’ ( Cent. Dict. Suppl. 1909); distinguished from tufaceous in the specific sense.

ΘΚΠ

the world > the earth > structure of the earth > constituent materials > rock > igneous rock > [adjective] > volcanic > volcanic tuff

tufa1777

tufaceous1876

tuffaceous1882

1882 A. Geikie Text-bk. Geol. ii. ii. vi. 164 Tuffs passing gradually into shale, limestone, sandstone, &c. The intermediate varieties have been called ashy shale, tuffaceous shale, or shaley tuff, &c.

This entry has not yet been fully updated (first published 1915; most recently modified version published online March 2022).

单词	tuffaceous
释义	tuffaceousadj. Brit. /tʌˈfeɪʃəs/, U.S. /ˌtəˈfeɪʃəs/ Etymology: < tuff n. + -aceous suffix. ‘Having the properties of or composed of volcanic tuff’ ( Cent. Dict. Suppl. 1909); distinguished from tufaceous in the specific sense. ΘΚΠ the world > the earth > structure of the earth > constituent materials > rock > igneous rock > [adjective] > volcanic > volcanic tuff tufa1777 tufaceous1876 tuffaceous1882 1882 A. Geikie Text-bk. Geol. ii. ii. vi. 164 Tuffs passing gradually into shale, limestone, sandstone, &c. The intermediate varieties have been called ashy shale, tuffaceous shale, or shaley tuff, &c. This entry has not yet been fully updated (first published 1915; most recently modified version published online March 2022). < adj.1882
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