A field of electromagnetic, acoustic or gravitational radiation whose amplitude is described by a Bessel function of the first kind.

(Philippines, loosely, informal) Synonym of South China Sea / (Philippines, formal) eastern portion of the South China Sea claimed by the Philippine government to be part of its exclusive economic ...

a body of water that separates the Baja California Peninsula from the Mexican mainland

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