electron beam electron affinity • electron gas · · · Info · Definitions · Synonyms · Characters · · electron beam · · Text Common · · Latin · · Scripts 13 · · Length 4 · · Syllables Definitions · · · (noun) a group of nearly parallel lines of electromagnetic radiation. Synonyms: beam, ray, electron beam. · · Noun Definition 1 Synonyms · · · beam · · Synonym 1 ray · · Synonym 2 Characters · · space U+0020 a latin small letter a U+0061 b latin small letter b U+0062 c latin small letter c U+0063 e latin small letter e U+0065 l latin small letter l U+006C m latin small letter m U+006D n latin small letter n U+006E o latin small letter o U+006F r latin small letter r U+0072 t latin small letter t U+0074