(music) a musical instrument that is written in a different pitch to how it sounds, often for ease of playing multiple instruments of the same family that have different ranges.

A transposition.

present participle of transpose

plural of transposing

(adjective, linear algebra) The resulting matrix, derived from performing a transpose operation on a given matrix.

(linear algebra) The process of rearranging elements in a matrix, by interchanging their respective row and column positional indicators.

(adjective, linear algebra) A matrix with the characteristic of having been transposed from a given matrix.

(transitive) To reverse or change the order of (two or more things); to swap or interchange. / (transitive, music) To rewrite or perform (a piece) in another key.

plural of transposer

simple past tense and past participle of transpose