aperture stop
Optics
noun
A stop that restricts the amount of light entering a lens system; a diaphragm with a circular hole that acts in this way.
Origin
Mid 19th century.
- transmissivity
- transmit
- transmittable
- transmittal
- transmittance
- transmitter
- transmogrification
- transmogrify
- transmontane
- transmundane
- transmural
- transmutability
- transmutable
- transmutation
- transmutational
- transmutationist
- transmutative
- transmute
- transmuter
- transnational
- transnationalism
- transnationally
- transoceanic
- transom
- transomed