noun
Meaning 1
Synonym of cathode ray.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: cathode ray
Antonyms: none provided
Phrase guide
electron beam
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
Pronunciation
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No pronunciation record was provided for this word.
noun
Meaning 2
a group of nearly parallel lines of electromagnetic radiation
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: beam, ray
Antonyms: none provided
Broader terms: electromagnetic radiation, electromagnetic wave, nonparticulate radiation
Narrower terms: cathode ray, particle beam
History
Etymology
No etymology was provided for this word.