411 REFERENCE · Wiktionary
Airy disk
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
English
Alternative forms
en Airy disc
Etymology
Named after George Biddell Airy.
Noun
en optics The bright central region of the diffraction pattern resulting from a uniformly illuminated circular aperture.
Related terms
en Airy pattern
en eponyms