mydriasis

English Thesaurus

1. reflex pupillary dilation as a muscle pulls the iris outward; occurs in response to a decrease in light or certain drugs (noun.act)

hypernym	:	dilatation, dilation,
definition	:	the act of expanding an aperture (noun.act)

hypernym	:	inborn reflex, innate reflex, instinctive reflex, physiological reaction, reflex, reflex action, reflex response, unconditioned reflex,
definition	:	an automatic instinctive unlearned reaction to a stimulus (noun.act)