from The American Heritage® Dictionary of the English Language, 4th Edition

  • transitive v. Grammar To inflect (a verb) in its forms for distinctions such as number, person, voice, mood, and tense.
  • transitive v. To join together.
  • intransitive v. Biology To undergo conjugation.
  • intransitive v. Grammar To be inflected.
  • adj. Joined together, especially in a pair or pairs; coupled.
  • adj. 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.
  • adj. Chemistry Relating to an acid and a base that are related by the difference of a proton.
  • adj. Linguistics Derived from a common source, such as the words foul and filth.
  • n. Mathematics & Physics Any of a set of numbers that satisfy the same irreducible polynomial.
  • n. Chemistry A chemical compound that has been formed by the joining of two or more compounds.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • v. To inflect (a verb) for each person, in order, for one or more tenses.
  • v. To join together, unite; to juxtapose.
  • v. To reproduce sexually as do some bacteria and algae, by exchanging or transferring DNA.
  • n. Any entity formed by joining two or more smaller entities together.
  • n. (of a complex number) A complex conjugate.
  • n. More generally, any of a set of irrational or complex numbers that are zeros of the same polynomial with integral coefficients.
  • n. An explementary angle.

from the GNU version of the Collaborative International Dictionary of English

  • adj. United in pairs; yoked together; coupled.
  • adj. In single pairs; coupled.
  • adj. Containing two or more compounds or radicals supposed to act the part of a single one.
  • adj. Agreeing in derivation and radical signification; -- said of words.
  • adj. Presenting themselves simultaneously and having reciprocal properties; -- frequently used in pure and applied mathematics with reference to two quantities, points, lines, axes, curves, etc.
  • n. A word agreeing in derivation with another word, and therefore generally resembling it in signification.
  • n. A complex compound formed from the non-covalent union of two other comounds, behaving as a single compound.
  • intransitive v. To unite in a kind of sexual union, as two or more cells or individuals among the more simple plants and animals.
  • transitive v. To unite in marriage; to join.
  • transitive v. To inflect (a verb), or give in order the forms which it assumes in its several voices, moods, tenses, numbers, and persons.

from The Century Dictionary and Cyclopedia

  • To join together; specifically, to join in marriage; unite by marriage.
  • In grammar, to inflect (a verb) through all its various forms, as voices, moods, tenses, numbers, and persons, or so many of them as there, may be.
  • In biology, to perform the act of conjugation; specifically, in botany, to unite and form a zygospore.
  • United in pairs; joined together; coupled.
  • In botany, applied to a pinnate leaf which has only one pair of leaflets.
  • In chem., containing two or more radicals acting the part of a single one.
  • In grammar and rhetoric, kindred in meaning as having a common derivation; paronymous: an epithet sometimes applied to words immediately derived from the same primitive.
  • In mathematics, applied to two points, lines, etc., when they are considered together, with regard to any property, in such a manner that they may be interchanged without altering the way of enunciating the property—that is, when they are in a reciprocal or equiparant relation to one another.
  • n. In gram, and rhetoric, one of a group of words having the same immediate derivation, and therefore presumably related in meaning; a paronym.
  • n. In chem., a subordinate radical associated with another, along with which it acts as a single radical.
  • n. A conjugate axis.
  • In gearing, said of tooth-profiles when they are of such a form that one will drive the other with a constant velocity-ratio, that is, when the ratio of the angular velocity of the driver to that of the driven is constant.
  • United by a transverse furrow, as the paired ambulacral pores of the echinoids.
  • n. Of a point O with respect to the triangle ABC, a point O′ such that on it are copunctal AX′ , BY′ , CZ′ when X′ , Y′ , Z′ are the isotomic conjugates, with respect to the sides, of X, Y, Z the points where transversals from A, B, C through O meet the sides.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adj. (of a pinnate leaflet) having only one pair of leaflets
  • v. undergo conjugation
  • adj. of an organic compound; containing two or more double bonds each separated from the other by a single bond
  • adj. joined together especially in a pair or pairs
  • adj. formed by the union of two compounds
  • n. a mixture of two partially miscible liquids A and B produces two conjugate solutions: one of A in B and another of B in A
  • v. add inflections showing person, number, gender, tense, aspect, etc.
  • v. unite chemically so that the product is easily broken down into the original compounds


from The American Heritage® Dictionary of the English Language, 4th Edition

Latin coniugāre, coniugāt-, to join together : com-, com- + iugāre, to join (from iugum, yoke).

from Wiktionary, Creative Commons Attribution/Share-Alike License

From the participle stem of Latin conjugāre ("to yoke together"), from con- + jugāre.


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