v. con·ju·gat·ed, con·ju·gat·ing, con·ju·gates
1. Grammar To inflect (a verb) in its forms for distinctions such as number, person, voice, mood, and tense.
2. To join together.
1. Biology To undergo conjugation.
2. Grammar To be inflected.
adj. (-gĭt, -gāt′)
1. Joined together, especially in a pair or pairs; coupled.
2. Mathematics & Physics Inversely or oppositely related with respect to one of a group of otherwise identical properties, especially designating either or both of a pair of complex numbers differing only in the sign of the imaginary term.
3. Linguistics Derived from a common source, such as the words foul and filth.
4. Chemistry Conjugated.
n. (-gĭt, -gāt′)
1. Mathematics & Physics Any of a set of numbers that satisfy the same irreducible polynomial.
2. Chemistry A chemical compound that has been formed by the joining of two or more compounds.
[Latin coniugāre, coniugāt-, to join together : com-, com- + iugāre, to join (from iugum, yoke; see yeug- in the Appendix of Indo-European roots).]
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.