Medical Dictionary

aperture

noun ap·er·ture
\ˈap-ə(r)-ˌch(ə)r, -chər, -ˌt(y)(ə)r\

Medical Definition of APERTURE

1
:  an opening or open space
2
:  the diameter of the stop in an optical system that determines the diameter of the bundle of rays traversing the instrument
May 22, 2015
nepotism Hear it
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