Aperture definition

Aperture means any opening in the outside surface of the cabinet, other than a port, which remains open during generation of x radiation.
Aperture means a gap in the protective material of a tube housing through which ionizing radiation from an X-ray tube within the tube housing may pass with little or no attenuation;
Aperture means any opening in the protective housing or other enclosure of a laser product through which laser or collateral radiation is emitted, thereby allowing human access to such radiation.

Examples of Aperture in a sentence

  • The ship’s primary means of communication with the Marine Operations Center is via email and the Very Small Aperture Terminal (VSAT) link.

  • The ship’s primary means of communication with the Marine Operations Center is via e-mail and the Very Small Aperture Terminal (VSAT) link.

  • Aperture sights (front and rear) permitted if consistent with the period.

  • UNIT-IIDIFFRACTION: Fraunhofer diffraction at single slit cases of double slit, N-slits & Circular Aperture (Qualitative treatment only)-Grating equation - Resolving power of a grating, Telescope and Microscopes.

  • The algorithm for computing DSN Aperture Fees embodies incentives to maximize DSN utilization efficiency.


More Definitions of Aperture

Aperture means any opening in a protective housing through which radiation is emitted, thereby allowing human access to the radiation.
Aperture means any opening in the outside surface of a cabinet x-ray unit, other than a port, which remains open during generation of x-radiation.
Aperture means any opening in a protective housing through which laser radiation can pass.
Aperture means any opening in the protective housing or other enclosure ofa laser product through which laser or collateral radiation is emitted, thereby allowing human access to suchradiation.
Aperture means any opening in the outside surface of the cabinet x-ray unit, other than a port, which remains open dur- ing generation of x-radiation.
Aperture means an opening within a building's construction, typically permitting the penetration of light or air (e.g., “collection aperture”, “ventilation aperture”).
Aperture means an opening which allows natural light and into a habitable space.