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
Trade name of ethchlorvynol, a sedative.
Definition source: English Wiktionary via Wiktextract
Usage: countable, uncountable
Topics: medicine, pharmacology, sciences
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
noun
a mild sedative-hypnotic drug (trade name Placidyl)
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Synonyms: ethchlorvynol
Antonyms: none provided
Broader terms: sedative-hypnotic, sedative-hypnotic drug
History
Marketing name, apparently from placid + -yl.
