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
Speed, swiftness.
Definition source: English Wiktionary via Wiktextract
Usage: uncountable, usually
No example sentence was provided for this meaning.
Synonyms: rapidity, alacrity, dispatch
Antonyms: slowness, lethargy
noun
The speed of an individual wave (as opposed to the speed of groups of waves); often denoted c.
Definition source: English Wiktionary via Wiktextract
Usage: uncountable, usually
Topics: climatology, geography, meteorology, natural-sciences, oceanography
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
noun
The speed of an individual wave (as opposed to the speed of groups of waves); often denoted c.
The speed with which a perturbation to the flow propagates through the flow domain.
Definition source: English Wiktionary via Wiktextract
Usage: uncountable, usually
Topics: climatology, geography, hydrology, meteorology, natural-sciences, oceanography
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
noun
The speed of symbol transmission, now called baud rate.
Definition source: English Wiktionary via Wiktextract
Usage: dated, uncountable, usually
Topics: communications, electrical-engineering, engineering, natural-sciences, physical-sciences, telecommunications
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
noun
a rate that is rapid
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Synonyms: quickness, rapidity, rapidness, speediness
Antonyms: none provided
Broader terms: pace, rate
Narrower terms: fleetness, immediacy, immediateness, instantaneousness, instancy, dispatch, despatch, expedition, expeditiousness, promptness, promptitude
History
Etymology tree Proto-Indo-European *kel-der. Latin celer Proto-Indo-European *-teh2 Proto-Indo-European *-ts Proto-Indo-European *-teh2ts Proto-Italic *-tāts Latin -tās Latin celeritāsder. Old French celeriteeder. English celerity From Old French celeritee (compare French célérité), from Latin celeritas, from celer (“fast, swift”).
Across languages
17 source translations are retained for this English entry.
