n. Uninterrupted connection of parts in space or time; uninterruptedness.n. In mathematics and philosophy, a connection of points (or other elements) as intimate as that of the instants or points of an interval of time: thus, the continuity of space consists in this, that a point can move from any one position to any other so that at each instant it shall have a definite and distinct position in space.n. In zoology and anatomy, that part of a thing which lies between the two ends, as the shaft of a long bone, or its diaphysis, as distinguished from its condyles or epiphyses, or the middle portion of the bill of a bird, as distinguished from the base and apex.n. In biology, the existence of successive generations of living beings without any gap or interruption of material composition. See germinal continuity.