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.
Sound
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noun
Any particle with non-zero mass (i.e. one that travels more slowly than the speed of light).
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
History
Blend of tardy + tachyon or tardy + -on.
Across languages
3 source translations are retained for this English entry.
