angular aperture

noun

: the angle subtended at the principal focus of an optical system (as a microscope) by the diameter of its entrance for light

Dictionary Entries Near angular aperture

Cite this Entry

“Angular aperture.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/angular%20aperture. Accessed 29 Mar. 2024.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!