Standard Lemma guide
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.
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noun
An electrically charged particle, either an electron or an ion, emitted by a conducting material at high temperatures
Definition source: English Wiktionary via Wiktextract
Topics: natural-sciences, physical-sciences, physics
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
noun
an electrically charged particle (electron or ion) emitted by a substance at a high temperature
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
Broader terms: particle, subatomic particle
History
Etymology tree English therm- Proto-Indo-European *h1ey- Proto-Indo-European *h1éyti Proto-Hellenic *éimi Ancient Greek ἰόν (ión)der. English ion English thermion From therm- + ion.
