A motion like that of waves; a moving in this and that direction.
A wavering; unsteadiness.
In medicine, a wave-like motion or undulation of a fluid in a natural or abnormal cavity (e.g. pus in an abscess), which is felt during palpation or percussion.
The angular difference at the vessel between the direction of true north and magnetic north.
Deviation from the mean orbit of a heavenly body.
The act of varying; a partial change in the form, position, state, or qualities of a thing.
A related but distinct thing.
A line of play that differs from the original.
The modification of a hereditary trait.
A technique where material is repeated with alterations to the melody, harmony, rhythm, timbre, texture, counterpoint or orchestration; but with some invariant characteristic, e.g. a ground bass.