v. com·bined, com·bin·ing, com·bines
1. To bring into a state of unity; make united: combined the ingredients in a bowl; combined the eggs and flour.
2. To join (two or more substances) to make a single substance, such as a chemical compound; mix.
3. To have, exhibit, or involve in combination: The choreography combines artistry and athletics.
4. (kŏmbīn′) To harvest (a grain crop) using a cutting, threshing, and cleaning machine.
1. To become united: factors that combined to produce a storm.
2. To join together for a common purpose. See Synonyms at join.
3. Chemistry To form a compound.
4. (kŏmbīn′) To harvest a grain crop using a cutting, threshing, and cleaning machine.
1. A power-operated harvesting machine that cuts, threshes, and cleans grain.
2. An association of people or groups united for the furtherance of political or commercial interests.
3. A combination.
[Middle English combinen, from Old French combiner, from Late Latin combīnāre : Latin com-, com- + bīnī, two by two; see dwo- in the Appendix of Indo-European roots.]
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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.