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conjugation

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con⋅ju⋅ga⋅tion

  [kon-juh-gey-shuhn]
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–noun
1. Grammar.
a. the inflection of verbs.
b. the whole set of inflected forms of a verb or the recital or display thereof in a fixed order: The conjugation of the Latin verb amo begins amō, amas, amat.
c. a class of verbs having similar sets of inflected forms: the Latin second conjugation.
2. an act of joining: a conjugation of related ideas.
3. the state of being joined together; union; conjunction.
4. Biology.
a. the reproductive process in ciliate protozoans in which two organisms of different mating types exchange nuclear material through a temporary area of fusion.
b. temporary union or permanent fusion as a form of sexual reproduction in certain algae and fungi, the male gametes of one organism uniting with female gametes of the other.
c. a temporary union of two bacteria, in Escherichia and related groups, in which genetic material is transferred by migration of a plasmid, either solitary or as part of a chromosome, from one bacterium, the donor, to the other, the recipient; sometimes also including the transfer of resistance to antibiotics.
Origin:
1400–50; late ME conjugacion (< AF) < LL conjugātiōn- (s. of conjugātiō), equiv. to conjugāt(us) (see conjugate ) + -iōn- -ion

Related forms:
con⋅ju⋅ga⋅tion⋅al, adjective
con⋅ju⋅ga⋅tion⋅al⋅ly, adverb
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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con·ju·ga·tion   (kŏn'jə-gā'shən)   
n.  

    1. The act of conjugating.

    2. The state of being conjugated.

    3. The inflection of a particular verb.

    4. A presentation of the complete set of inflected forms of a verb.

    5. A class of verbs having similar inflected forms.

    6. The temporary union of two bacterial cells during which one cell transfers part or all of its genome to the other.

    7. A process of sexual reproduction in which ciliate protozoans of the same species temporarily couple and exchange genetic material.

    8. A process of sexual reproduction in certain algae and fungi in which temporary or permanent fusion occurs, resulting in the union of the male and female gametes.

  2. Grammar

    1. The inflection of a particular verb.

    2. A presentation of the complete set of inflected forms of a verb.

    3. A class of verbs having similar inflected forms.

    4. The temporary union of two bacterial cells during which one cell transfers part or all of its genome to the other.

    5. A process of sexual reproduction in which ciliate protozoans of the same species temporarily couple and exchange genetic material.

    6. A process of sexual reproduction in certain algae and fungi in which temporary or permanent fusion occurs, resulting in the union of the male and female gametes.

  3. Biology

    1. The temporary union of two bacterial cells during which one cell transfers part or all of its genome to the other.

    2. A process of sexual reproduction in which ciliate protozoans of the same species temporarily couple and exchange genetic material.

    3. A process of sexual reproduction in certain algae and fungi in which temporary or permanent fusion occurs, resulting in the union of the male and female gametes.

con'ju·ga'tion·al adj., con'ju·ga'tion·al·ly adv.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Word Origin & History

conjugation 
c.1450, from L. conjugationem, from conjugare "to join together" (see conjugal). Grammatical sense is c.1528.
Online Etymology Dictionary, © 2001 Douglas Harper
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Medical Dictionary

Main Entry: con·ju·ga·tion
Pronunciation: "kän-j&-'gA-sh&n
Function: noun
1 : the act of conjugating : thestate of being conjugated
2 a : fusion of usually similar gametes with ultimate union of their nuclei that among lower thallophytes replaces the typical fertilization of higherforms b : temporary cytoplasmic union with exchange of nuclear material that is the usual sexual process in ciliated protozoans c : the one-way transfer of DNA betweenbacteria in cellular contact —con·ju·ga·tion·al /-shn&l, -sh&n-&l/ adjective
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

conjugation con·ju·ga·tion (kŏn'jə-gā'shən)
n.

  1. The temporary union of two bacterial cells during which one cell transfers part or all of its genome to the other.

  2. A process of sexual reproduction in which ciliate protozoans of the same species temporarily couple and exchange genetic material.

  3. A process of sexual reproduction in certain algae and fungi in which temporary or permanent fusion occurs, resulting in the union of the male and female gametes.

  4. The addition of glucuronic or sulfuric acid to certain toxic substances to terminate their biological activity and prepare them for excretion.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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