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late 14c., from Old French transposer (14c.), from Latin transponere (past participle transpositus) "to place over," from trans- "over" (see trans-) + ponere "to put, place" (see position). Form altered in French on model of poser "to put, place." Sense of "put music in a different key" is from c.1600. Related: Transposed; transposing.
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.
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.