The Disease: The Disease: Bacillus cereus can cause two distinct types of illnesses: 1) a diarrheal illness with an incubation time of approximately 10 to 16 hours, and 2) an emetic (vomiting) illness with an incubation time of one to six hours.
radius of curvature. n. (Mathematics) the absolute value of the reciprocal of the curvature of a curve at a given point; the radius of a circle the curvature of which is equal to that of the given curve at that point. See also centre of curvature.
Definition of Radius. Radius is the distance from the center of a circle or a sphere to any point on the circle or a sphere. In other words, radius is a line segment joining the center of a circle with any point on the circle. Examples of Radius. is a radius of the circle shown.