Standard Lemma guide

arsenobetaine

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.

Sound

Pronunciation

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1

noun

Meaning 1

The formal derivative of betaine in which arsenic replaces the nitrogen atom, chemical formula (CH3)3As+CH2COO−.

Definition source: English Wiktionary via Wiktextract

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

Examples

  • Arsenobetaine has an unusually low toxicity for an arsenic compound, with an LD50 of over 10g/kg in mice.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

Etymology tree Proto-Indo-European *ǵhelh3- Proto-Indo-European *ǵhl̥h3enyomder. Proto-Indo-Iranian *ȷ́hr̥Hanyam Proto-Iranian *jr̥Hanyam Old Median *zaranyam Old Median *kā Old Median *zaraniyakāder. Middle Persian *zarnīkbor. Classical Syriac ܙܪܢܝܟܐ (zarnīḵā)der. Arabic الزَرْنِيخ (az-zarnīḵ)bor. Byzantine Greek ἀρσενικόν (arsenikón)der. Latin arsenicumder. Middle French arsenicbor. Middle English arsenik English arsenic Ancient Greek -ο- (-o-)der. Latin -o-bor. English -o- English arseno- Latin bēta Proto-Indo-European *-nós Proto-Indo-European *-iHnos Proto-Italic *-īnos Latin -īnusder. Old French -inbor. Middle English -in English -ine English betaine English arsenobetaine From arseno- + betaine.

Across languages

Translations

5 source translations are retained for this English entry.

  • Finnish: arseenibetaiini — derivative of betaine in which arsenic replaces the nitrogen atom
  • French: arsénobétaïne — derivative of betaine in which arsenic replaces the nitrogen atom
  • German: Arsenobetain — derivative of betaine in which arsenic replaces the nitrogen atom
  • Portuguese: arsenobetaína — derivative of betaine in which arsenic replaces the nitrogen atom
  • Spanish: arsenobetaína — derivative of betaine in which arsenic replaces the nitrogen atom