Airy disc
the bright central part of the diffraction pattern of light from a point source that is diffracted by a circular aperture.
Read Also:
- Airy-fairy
Informal. delicate or lovely: an airy-fairy actress; an airy-fairy nightgown. not based on reality or concerned with mundane affairs; unrealistic: airy-fairy ideas about spending a fortune that isn’t even his. Slang. effeminate; swishy. Historical Examples There is nothing more beautiful than the airy-fairy soap-bubble with its everchanging colors. How Two Boys Made Their Own Electrical […]
- Ais
a three-toed sloth, Bradypus tridactylus, inhabiting forests of southern Venezuela, the Guianas, and northern Brazil, having a diet apparently restricted to the leaves of the trumpet-tree, and sounding a high-pitched cry when disturbed. Contemporary Examples He adds that ais “knows there are two levels of approach to this” and has different therapies for children and […]
- Aisb
aisb as I said before
- Aise
aise as I said earlier Historical Examples Secondly, any man that wants arms, is to fight hard for ’em first, an’ to fight with ’em at his aise afther. Catholic World, Vol. XI, April 1870-September 1870 Various aise ’em up an’ down the hills, Pat, the dear bastes that your father loved! The Widow O’Callaghan’s […]
- Aisc
aisc [National Environmental Satellite, Data, and Information Service] Assessment and Information Services Center Historical Examples Craig Bhadain an aisc (kraik vatn an ashk), Rock of the clumps or groves of burial. Gairloch In North-West Ross-Shire John H. Dixon, F.S.A. Scot