Dictionary
mov'a•ble-do' sys"tem
Pronunciation: (mOO'vu-bul-dō'), [key] Music.
a system of solmization in which the syllable
do can be transposed to the tonic of any key. Cf.
fixed-do system. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.