The science of light; -- a general term sometimes employed
when optics is restricted to light as a producing vision.
1. Serving to stimulate. 2. (Physiol.) Produced increased vital action in the organism, or in any of its parts.
1. That which stimulates, provokes, or excites. His feelings had been exasperated by the constant application of stimulants. Macaulay. 2. (Physiol. & Med.) An ...
