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 ©2017 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
The American Heritage Dictionary Blog
Check out our blog, updated regularly, for new words and revised definitions, interesting images from the 5th edition, discussions of usage, and more.
American Heritage Dictionary Products
The American Heritage Dictionary, 5th Edition
The American Heritage Dictionary of Idioms
The American Heritage Roget's Thesaurus
Curious George's Dictionary
The American Heritage Children's Dictionary
The American Heritage Dictionary of Indo-European Roots
The American Heritage Student Grammar Dictionary
The American Heritage Desk Dictionary + Thesaurus
The American Heritage Science Dictionary
The American Heritage Dictionary of Business Terms
The American Heritage Student Dictionary
The American Heritage Essential Student Thesaurus