A lack of continuity, regularity or sequence; a break or gap.
a subterranean interface at which seismic velocities change
A point in the range of a function at which it is undefined or discontinuous.
The condition of being protracted
The act of making a plot on paper.
The lengthening of a short syllable
An anterior movement on the horizontal plane; The forward movement of the tongue or of a limb
The act of protracting