min·er·al·o·gy (mĭn′ə-rŏlə-jē, -răl-)
n. pl. min·er·al·o·gies
1. The study of minerals, including their distribution, identification, and properties.
2. A book or treatise on mineralogy.
min′er·a·logi·cal (-ər-ə-lŏjĭ-kəl) adj.
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2020 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.