An aperture membrane is a section of enzine forming the base of an aperture.
"Aperture" means "opening".
"Aperture" is a synonym for a break or a crack. "Aperture" is used in many modern day phrases such as camera aperture and of course, "Aperture Science" from the game Portal.
Dilation
Aperture Foundation was created in 1952.
The aperture of my camera lens will not open!
Aperture magazine was created in 1952 by a group of photographers and writers.
The procedure for dilation of the kidney?
Dilation
Maximum aperture is the maximum amount you can get a hole to open.
The aperture ring changes the lens aperture which controls how much light reaches the film or digital sensor. A large aperture f/1.4 to f/2.8 = lots of light, fast shutter speeds, narrow depth of field A small aperture f/9+ = much less light, slower shutter speeds, wide depth of field
The opposite of dilation in math is contraction