də̇s, |dis+ noun
Etymology: Medieval Latin discontinuitas, from discontinuus + Latin -itas -ity
1. : lack of continuity or cohesion : disunion of parts
from chapter to chapter … there is a sense of discontinuity , of failure on the author's part to “follow through” — Carlos Lynes
2. : a break in continuity : gap
microscopic discontinuities in the foil — N.A.Cooke
conceived of the organic species as a hierarchy of creatures with comparatively large discontinuities between their ranks — S.F.Mason
3. mathematics : a point or value of the argument at which a function is not continuous
4. : the boundary between two layers within the earth which display different physical properties made known by analysis of earthquake records
5. : a rapid change in meteorological elements in a short distance or a short time