follow's Word of the Year is...


[bas-uh-nahyt, baz-] /ˈbæs əˌnaɪt, ˈbæz-/
noun, Petrography
a basaltic rock composed chiefly of plagioclase, olivine, and augite.
1745-55; < Latin basanītēs; see basalt Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source
Examples from the web for basanite
  • The suite of basanite clasts is only slightly larger with four samples.
British Dictionary definitions for basanite


a black basaltic rock containing plagioclase, augite, olivine, and nepheline, leucite, or analcite, formerly used as a touchstone
Word Origin
C18: see basalt
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Cite This Source
Encyclopedia Article for basanite

extrusive igneous rock that contains calcium-rich plagioclase feldspar (usually labradorite or bytownite), feldspathoid (usually nepheline or leucite), olivine, and pyroxene (titanaugite). Basanite grades into tephrite, which contains no olivine.

Learn more about basanite with a free trial on
Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
Cite This Source

Word of the Day

Difficulty index for basanite

Few English speakers likely know this word

Word Value for basanite

Scrabble Words With Friends