[v. trans-pohz; n. trans-pohz]
verb (used with object), transposed, transposing.
to change the relative position, order, or sequence of; cause to change places; interchange: to transpose the third and fourth letters of a word.
to transfer or transport.
Algebra. to bring (a term) from one side of an equation to the other, with corresponding change of sign.
Mathematics. (of a matrix) to interchange rows and columns.
Music. to reproduce in a different key, by raising or lowering in pitch.
to transform; transmute.
verb (used without object), transposed, transposing.
to perform a piece of music in a key other than the one in which it is written: to transpose at sight.
Mathematics. a matrix formed from a given matrix by transposing.

1350–1400; Middle English transposen to transmute < Middle French transposer. See trans-, pose1

transposable, adjective
transposability, noun
transposer, noun
nontransposable, adjective
nontransposing, adjective
untransposed, adjective

1, 5. rearrange. 3. invert. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
transpose (trænsˈpəʊz)
1.  (tr) to alter the positions of; interchange, as words in a sentence; put into a different order
2.  music
 a.  to play (notes, music, etc) in a different key from that originally intended
 b.  to move (a note or series of notes) upwards or downwards in pitch
3.  (tr) maths to move (a term) from one side of an equation to the other with a corresponding reversal in sign
4.  maths the matrix resulting from interchanging the rows and columns of a given matrix
[C14: from Old French transposer, from Latin transpōnere to remove, from trans- + pōnere to place]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Word Origin & History

c.1380, from O.Fr. transposer (14c.), from L. transponere (pp. transpositus) "to place over," from trans- "over" + ponere "to put, place" (see position). Form altered in Fr. on model of poser "to put, place." Sense of "put music in a different key" is from 1609.
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

transpose trans·pose (trāns-pōz')
v. trans·posed, trans·pos·ing, trans·pos·es
To transfer one tissue, organ, or part to the place of another.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
transpose   (trāns-pōz')  Pronunciation Key 
To move a term or quantity from one side of an algebraic equation to the other by adding or subtracting that term to or from both sides. By subtracting 2 from both sides of the equation 2 + x = 4, one can transpose the 2 to the other side, yielding x = 4 - 2, and thus determine that x equals 2.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Example sentences
With a twist of the dial, one can instruct the piano to play only the left hand or right hand or to transpose the key.
Many of them already have access to the equipment that would allow them to transpose transparent electrodes onto solar cells.
Genetic elements that transpose within plant genomes are important as a mechanism for driving increases in the size of genomes.
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