: a barbiturate with a short period of action usually used in the form of its sodium salt C14H17N2NaO3 as an intravenous general anesthetic

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“Methohexital.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/methohexital. Accessed 7 Jul. 2026.

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