English noun: mydriasis | |||
1. | mydriasis (act) reflex pupillary dilation as a muscle pulls the iris outward; occurs in response to a decrease in light or certain drugs | ||
Broader (hypernym) | dilatation, dilation, inborn reflex, innate reflex, instinctive reflex, physiological reaction, reflex, reflex action, reflex response, unconditioned reflex | ||