noun
Etymology: slit (III)
: a lamp for projecting a narrow beam of intense light into an eye to facilitate microscopic study (as of the conjunctiva or cornea)
noun
Etymology: slit (III)
: a lamp for projecting a narrow beam of intense light into an eye to facilitate microscopic study (as of the conjunctiva or cornea)
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012