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reduction division

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reduction division

 
Use reduction division in a Sentence
–noun Biology.
1. the first division of meiosis in which the number of chromosomes is reduced to half the original number.
2. meiosis.
Origin:
1890–95
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source Link To reduction division
re·duc·tion   (rĭ-dŭk'shən)   
n.  

  1. The act or process of reducing.

  2. The result of reducing: a reduction in absenteeism.

  3. The amount by which something is lessened or diminished: a reduction of 12 percent in violent crime.

  4. Biology The first meiotic division, in which the chromosome number is reduced. Also called reduction division.

  5. Chemistry

    1. A decrease in positive valence or an increase in negative valence by the gaining of electrons.

    2. A reaction in which hydrogen is combined with a compound.

    3. A reaction in which oxygen is removed from a compound.

    4. The canceling of common factors in the numerator and denominator of a fraction.

    5. The converting of a fraction to its decimal equivalent.

    6. The converting of an expression or equation to its simplest form.

  6. Mathematics

    1. The canceling of common factors in the numerator and denominator of a fraction.

    2. The converting of a fraction to its decimal equivalent.

    3. The converting of an expression or equation to its simplest form.


[Middle English reduccion, restoration, from Old French reduction, from Latin reductiō, reductiōn-, from reductus, past participle of redūcere, to bring back; see reduce.]
re·duc'tion·al adj.
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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Medical Dictionary

Main Entry: reduction division
Function: noun
: the usually first division of meiosis in which chromosome reduction occurs; also : MEIOSIS
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

reduction division n.
See reduction.

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