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/ˌmɛθ.əʊˈhɛk.sɪt.əl/ · noun
(pharmacology) A derivative of barbituric acid, used, as the sodium salt (more fully sodium methohexital), as a short-acting intravenous anesthetic; (1-methyl-5-allyl-5-[1-methyl-2-pentynyl])barbituric acid, C₁₄H₁₈N₂O₃..
Use methohexital when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Methohexital means (pharmacology) A derivative of barbituric acid, used, as the sodium salt (more fully sodium methohexital), as a short-acting intravenous anesthetic; (1-methyl-5-allyl-5-[1-methyl-2-pentynyl])barbituric acid, C₁₄H₁₈N₂O₃..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use methohexital where its definition matches the intended context.
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