Standard Lemma guide

metharbital

noun · 2 senses · updated from the 2026-07-25 local source snapshot

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

Pronunciation

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  • General-American: /məˈθɑɹ.bəˌtɔl/

1

noun

Meaning 1

An anticonvulsant barbiturate C9H14N2O3.

Definition source: English Wiktionary via Wiktextract

Usage: uncountable

Topics: medicine, pharmacology, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

anticonvulsant drug (trade name Gemonil) used in the treatment of epilepsy

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: Gemonil

Antonyms: none provided

Broader terms: anticonvulsant, anticonvulsant drug, antiepileptic, antiepileptic drug

History

Etymology

Blend of methyl + barbital.