(n): equipment that involves the controlled conduction of electrons (especially in a gas or vacuum or semiconductor)
(n): (phonetics) an individual sound unit of speech without concern as to whether or not it is a phoneme of some language
(n): one of the natural units into which linguistic messages can be analyzed
(n): electro-acoustic transducer for converting electric signals into sounds; it is held over or inserted into the ear
(n): a transducer that converts electrical to acoustic energy or vice versa
(v): get or try to get into communication (with someone) by telephone
(v): communicate over long distances, as via the telephone or e-mail