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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No pronunciation record was provided for this word.
adj
Just below, or just above, the speed of sound (0.8 < Ma < 1.2 approximately).
Definition source: English Wiktionary via Wiktextract
Usage: not-comparable
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
adj
Passing from subsonic to supersonic, or vice versa.
Definition source: English Wiktionary via Wiktextract
Usage: not-comparable
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
adj
Travelling through a fluid (commonly air) at a speed where regions of supersonic and subsonic flow coexist simultaneously over different portions of the surface of the moving object in question.
Definition source: English Wiktionary via Wiktextract
Usage: not-comparable
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
adjective
(of speed) having or caused by speed approximately equal to that of sound in air at sea level
Definition source: Princeton WordNet 3.0
Synonyms: sonic
Antonyms: none provided
History
Etymology tree English tran- Proto-Indo-European *swenh2- Proto-Indo-European *swónh2os Latin sonus Proto-Indo-European *-ikos Proto-Italic *-ikos Latin -icuslbor. Old French -iquebor. Middle English -ik English -ic English sonic English transonic From tran- + sonic.
Across languages
4 source translations are retained for this English entry.
