(mathematics) A two-dimensional vector field of the phase between two variables

(rare) A surname from French. / (rare) A male given name transferred from the surname. / (rare) A female given name transferred from the surname.

(inorganic chemistry) A soft, colourless solid, SbCl₃, that has some use as an analytical reagent

(linguistics) An abbreviation formed from syllables, usually the initial ones, of several words.