(physics) The emission of light (or other electromagnetic radiation) by a material when stimulated by the absorption of radiation or of a subatomic particle. / The light so emitted.

(organic chemistry) (+)-2,3alpha,3aalpha,7a-Tetrahydro-7aalpha-hydroxy-8-(4-hydroxy-3-methoxyphenyl)-4-(3alpha,5,7-trihydroxy-4-oxo-2beta-chromanyl)-3,6-methanobenzofuran-7(6alphaH)-one, one of the...

plural of black cap

(architecture) A moulding that covers a joint, especially between joints between surfaces on different levels.