Standard Lemma guide

arsenical

adj · noun · 4 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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  • UK: /ɑːˈsɛnɪkl̩/

1

adj

Meaning 1

Of or pertaining to, or containing, arsenic.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

Any drug or other substance containing arsenic.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

adjective

Meaning 3

relating to or containing arsenic

Definition source: Princeton WordNet 3.0

Examples

  • arsenic vapor

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

noun

Meaning 4

a pesticide or drug containing arsenic

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: drug, pesticide

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 arsenicum English -al English arsenical From Latin arsenicum + -al.

Across languages

Translations

5 source translations are retained for this English entry.

  • Catalan: arsenical — pertaining to or containing arsenic
  • Irish: arsanach — pertaining to or containing arsenic
  • Manx: arsnagh — pertaining to or containing arsenic
  • Portuguese: arsénico — pertaining to or containing arsenic
  • Portuguese: arsênico — pertaining to or containing arsenic
Real reading context

arsenical in complete knowledge articles