APERTOMETER


Meaning of APERTOMETER in English

ˌapə(r)ˈtäməd.ə(r) noun

( -s )

Etymology: apert ure + -o- + -meter

: an instrument for measuring the numerical aperture of objectives (as those of a microscope)

Webster's New International English Dictionary.      Новый международный словарь английского языка Webster.