Aperture (disambiguation)

The aperture of an optical system is the opening that limits the amount of light that can pass through.

Aperture may also refer to:

Science and technology

 * In anatomy, a number of apertures in the human body:
 * Apertura nasalis posterior
 * Apertura pelvis inferior
 * Apertura pelvis minoris
 * Apertura pelvis superior
 * Apertura thoracis inferior
 * Apertura thoracis superior
 * Lateral aperture (foramen of Luschka), an opening in each lateral extremity of the lateral recess of the fourth ventricle of the human brain
 * Median aperture (foramen of Magendie), which drains cerebrospinal fluid (CSF) from the fourth ventricle into the cisterna magna
 * Antenna aperture, a physical parameter of an antenna
 * Aperture (mollusc), the main opening in the shell of a gastropod or scaphopod (mollusc)
 * Aperture (botany), a weaker spot in the wall of a pollen grain
 * Numerical aperture is a parameter used to describe optical systems
 * Aperture (computer memory), a region of the physical address space that opens access to a particular device or memory unit
 * Aperture (software), an image organization and editing program for photographers, sold by Apple Inc.

Other uses

 * Aperture (magazine), a long-running art photography magazine
 * "Aperture" (2020), a song by Emily Blue
 * Aperture (typography), an enclosed loop in a typographical symbol, such as the lower part of the letter 'a'
 * Aperture Foundation, a photography nonprofit
 * Aperture Science, a fictional organization featured in the Portal (series) of video games
 * Aperture Peak