conjugate

[v. kon-juh-geyt; adj., n. kon-juh-git, -geyt]
verb (used with object), conjugated, conjugating.
1.
Grammar.
a.
to inflect (a verb).
b.
to recite or display all or some subsets of the inflected forms of (a verb), in a fixed order: One conjugates the present tense of the verb “be” as “I am, you are, he is, we are, you are, they are.”
2.
to join together, especially in marriage.
verb (used without object), conjugated, conjugating.
3.
Biology. to unite; to undergo conjugation.
4.
Grammar. to be characterized by conjugation: The Latin verb esse does not conjugate in the passive voice.
adjective
5.
joined together, especially in a pair or pairs; coupled.
6.
Botany. (of a pinnate leaf) having only one pair of leaflets.
7.
Grammar. (of words) having a common derivation.
8.
Bibliography. (of two leaves in a book) forming one sheet.
9.
Mathematics.
a.
(of two points, lines, etc.) so related as to be interchangeable in the enunciation of certain properties.
b.
(of an element) so related to a second element of a group that there exists a third element of the group that, multiplying one element on the right and the other element on the left, results in equal elements.
c.
(of two complex numbers) differing only in the sign of the imaginary part.
10.
Chemistry.
a.
of or noting two or more liquids in equilibrium with one another.
b.
(of an acid and a base) related by the loss or gain of a proton: NH 3 is a base conjugate to NH 4 + . NH 4 + is an acid conjugate to NH 3 .
c.
Also, conjugated. (of an organic compound) containing two or more double bonds each separated from the other by a single bond.
noun
11.
one of a group of conjugate words.
12.
Mathematics.
a.
either of two conjugate points, lines, etc.
b.
Also called complex conjugate, conjugate complex number. either of a pair of complex numbers of the type a + bi and abi, where a and b are real numbers and i is imaginary.

Origin:
1425–75; late Middle English (adj.) < Latin conjugātus (past participle of conjugāre to yoke together), equivalent to con- con- + jug(um) yoke + -ātus -ate1

conjugable [kon-juh-guh-buhl] , adjective
conjugably, adverb
conjugative, adjective
conjugator, noun
misconjugate, verb, misconjugated, misconjugating.
nonconjugate, adjective, noun
unconjugated, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
conjugate
 
vb
1.  (tr) grammar to inflect (a verb) systematically; state or set out the conjugation of (a verb)
2.  (intr) (of a verb) to undergo inflection according to a specific set of rules
3.  (tr) to join (two or more substances) together, esp in such a way that the resulting substance may easily be turned back into its original components
4.  (intr) biology to undergo conjugation
5.  obsolete (tr) to join together, esp in marriage
 
adj
6.  joined together in pairs; coupled
7.  (Maths)
 a.  (of two angles) having a sum of 360°
 b.  (of two complex numbers) differing only in the sign of the imaginary part as 4 + 3i and 4 -- 3i
 c.  (of two algebraic numbers) being roots of the same irreducible algebraic equation with rational coefficients: 3 ± 2 √2 are conjugate algebraic numbers, being roots of x² -- 6x + 1
 d.  (of two elements of a square matrix) interchanged when the rows and columns are interchanged
 e.  (of two arcs) forming a complete circle or other closed curved figure
8.  chem of, denoting, or concerning the state of equilibrium in which two liquids can exist as two separate phases that are both solutions. The liquid that is the solute in one phase is the solvent in the other
9.  another word for conjugated
10.  chem (of acids and bases) related by loss or gain of a proton: Cl--is the conjugate base of HCl; HCl is the conjugate acid of Cl--
11.  physics
 a.  joined by a reciprocal relationship, such as in the case of two quantities, points, etc, that are interchangeable with respect to the properties of each of them
 b.  (of points connected with a lens) having the property that an object placed at one point will produce an image at the other point
12.  (of a compound leaf) having one pair of leaflets
13.  (of words) cognate; related in origin
 
n
14.  one of a pair or set of conjugate substances, values, quantities, words, etc
 
[C15: from Latin conjugāre to join together, from com- together + jugāre to marry, connect, from jugum a yoke]
 
'conjugable
 
adj
 
'conjugately
 
adv
 
'conjugateness
 
n
 
'conjugative
 
adj
 
'conjugator
 
n

Collins English Dictionary - Complete & Unabridged 10th Edition
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Etymonline
Word Origin & History

conjugate
1530, in grammatical sense; 1570 in lit. sense, from L. conjugat-, pp. stem of conjugare "to yoke together" (see conjugal). Related: Conjugated (pp. adj., 1680s).
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

conjugate con·ju·gate (kŏn'jə-gāt')
v. con·ju·gat·ed, con·ju·gat·ing, con·ju·gates
To undergo conjugation. adj. (-gĭt, -gāt')

  1. Joined together, especially in pairs.

  2. Pertaining to an acid and a base that are related by the difference of a proton.

n. (-gĭt, -gāt')
A distance between the points on the periphery of the pelvic canal, especially the promontory of the sacrum and the upper edge of the pubic symphysis. Also called anteroposterior diameter, conjugate diameter, conjugate of inlet, internal conjugate, true conjugate.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Example sentences
If they then conjugate with another of the species, exchanging genes, their
  vigor is renewed.
Conjugate will have to explain his chess pieces and other symbols.
Some fail to make adjectives agree with nouns, or conjugate verbs improperly.
Conjugate preparing for the inevitable bolt of lightning.
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