1. A common, coarse-grained, light-colored, hard igneous rock consisting chiefly of quartz, orthoclase or microcline, and mica, used in monuments and for building.
2. Unyielding endurance; steadfastness: a will of granite.
[Italian granito, from past participle of granire, to make grainy, from grano, grain, from Latin grānum; see gə-no- in the Appendix of Indo-European roots.]
gra·nitic (gră-nĭtĭk, grə-), granit·oid′ (grănĭ-toid′) adj.
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2019 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Indo-European & Semitic Roots Appendices
Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:
The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.