Standard Lemma guide

methylfluorophosphonylcholine

noun · 1 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.

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Pronunciation

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1

noun

Meaning 1

A highly toxic organophosphorus compound that combines a choline-like structure with a fluorophosphonate group and acts as an irreversible inhibitor of acetylcholinesterase, causing dangerous overstimulation of the nervous system.

Definition source: English Wiktionary via Wiktextract

Usage: uncountable

Topics: chemistry, natural-sciences, organic-chemistry, physical-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

From methyl- + fluoro- + phosphonyl + choline.