caustic surface
noun Optics.
the surface to which all light rays emanating from a single point and reflected by a curved surface, as a concave mirror, are tangent.
Also called
caustic.
Origin of caustic surface
First recorded in 1865–70
Words nearby caustic surface
caustic baryta,
caustic curve,
caustic lime,
caustic potash,
caustic soda,
caustic surface,
cauterant,
cauterize,
cautery,
caution,
caution money