n.(used with a sing. verb)
The study of the measurement, properties, and relationships of quantities and sets, using numbers and symbols.
[FromMiddle Englishmathematik, fromOld Frenchmathematique, fromLatinmathēmatica, fromGreekmathēmatikē (tekhnē), mathematical (science), feminine ofmathēmatikos, mathematical; see MATHEMATICAL.]
(click for a larger image)mathematics
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2018 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.