- (n.) A rock of igneous origin, consisting of augite and triclinic feldspar, with grains of magnetic or titanic iron, and also bottle-green particles of olivine frequently disseminated.
- (n.) An imitation, in pottery, of natural basalt; a kind of black porcelain.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). basalt. Retrieved September 22, 2026, from http://smartdefine.org/basalt/definitions/1978510 |
| Chicago | Webster's. 2011. "basalt" http://smartdefine.org/basalt/definitions/1978510 (accessed September 22, 2026). |
| Harvard | Webster's 2011, basalt, Smart Define, viewed 22 September, 2026, <http://smartdefine.org/basalt/definitions/1978510>. |
| MLA | Webster's. "basalt" 27 May 2011. Web. 22 September 2026. <http://smartdefine.org/basalt/definitions/1978510> |