Meanings
nounAiry disk (plural Airy disks)
plural Airy disks · alternative Airy disc
- engineeringThe bright central region of the diffraction pattern resulting from a uniformly illuminated circular aperture.
Origin
Named after George Biddell Airy.
Full word history & related roots →Cite this entry
APA
Airy disk. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/Airy%20disk
MLA
“Airy disk.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Airy%20disk. Accessed November 2, 2026.
Chicago
WatkinsX Dictionary, s.v. “Airy disk,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/Airy%20disk.
Source: Airy disk on Wiktionary, CC BY-SA 4.0.