copper arsenite: meaning, definition, pronunciation and examples

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UK/ˈkɒp.ər ˈɑː.sə.naɪt/US/ˈkɑː.pɚ ˈɑːr.sə.naɪt/

Technical/Scientific

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Quick answer

What does “copper arsenite” mean?

A toxic, greenish-yellow inorganic compound of copper and arsenic, historically used as a pigment and insecticide.

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Pronunciation

Definition

Meaning and Definition

A toxic, greenish-yellow inorganic compound of copper and arsenic, historically used as a pigment and insecticide.

A chemical compound (CuHAsO₃) known for its vivid green color, historically significant in paints and dyes, but now primarily of interest in chemistry, toxicology, and historical contexts due to its poisonous nature.

Dialectal Variation

British vs American Usage

Differences

No significant lexical or spelling differences. The compound name is standardized in scientific nomenclature.

Connotations

Identical technical connotations. May evoke historical use in pigments (e.g., 'Scheele's Green') or its toxicity.

Frequency

Equally rare in both dialects, appearing only in specialized technical or historical texts.

Grammar

How to Use “copper arsenite” in a Sentence

[copper arsenite] + [verb: is, was, contains, degrades][preposition: of, with] + [copper arsenite]

Vocabulary

Collocations

strong
synthesis of copper arsenitetoxicity of copper arsenitepigment copper arsenite
medium
containing copper arsenitehistorical use of copper arsenitecopper arsenite compounds
weak
green copper arseniteold copper arsenitesample of copper arsenite

Examples

Examples of “copper arsenite” in a Sentence

adjective

British English

  • The copper-arsenite residue was analysed.
  • A copper-arsenite based pigment.

American English

  • The copper-arsenite residue was analyzed.
  • A copper-arsenite-based pigment.

Usage

Meaning in Context

Business

Rare. Potentially in contexts of hazardous material regulation, antique restoration, or chemical supply.

Academic

Primary context. Used in chemistry, art history, and environmental science papers discussing historical pigments or arsenic contamination.

Everyday

Virtually never used.

Technical

Core context. Precise term in chemistry, toxicology, conservation science, and industrial hygiene.

Vocabulary

Synonyms of “copper arsenite”

Strong

CuHAsO₃

Neutral

Scheele's greencupric arsenite

Weak

arsenical copper pigmenttoxic green pigment

Vocabulary

Antonyms of “copper arsenite”

non-toxic pigmentorganic pigmentsafe compound

Watch out

Common Mistakes When Using “copper arsenite”

  • Misspelling as 'copper arsenic'.
  • Confusing it with copper acetate (verdigris) or copper carbonate (malachite), which are different green compounds.
  • Using it as a countable noun (e.g., 'a copper arsenite'); it is generally uncountable.

FAQ

Frequently Asked Questions

No. Copper arsenite is a specific chemical compound containing copper, arsenic, and oxygen. Arsenic is a pure element.

It was a key component of vivid green pigments like Scheele's Green, which were widely used in paints, dyes, and wallpapers in the 18th and 19th centuries before their toxicity was fully understood.

Its sale and use are heavily restricted in most countries due to its toxicity. It is not available for general public use and is handled only under strict laboratory or industrial controls.

Do not handle it unnecessarily. Contact a professional conservator, hazardous materials expert, or local environmental health authority for advice on identification and safe disposal.

A toxic, greenish-yellow inorganic compound of copper and arsenic, historically used as a pigment and insecticide.

Copper arsenite is usually technical/scientific in register.

Copper arsenite: in British English it is pronounced /ˈkɒp.ər ˈɑː.sə.naɪt/, and in American English it is pronounced /ˈkɑː.pɚ ˈɑːr.sə.naɪt/. Tap the audio buttons above to hear it.

Phrases

Idioms & Phrases

  • None

Learning

Memory Aids

Mnemonic

Think of a COPPER penny turning a poisonous ARSENic green (ITE makes it a mineral).

Conceptual Metaphor

None commonly associated.

Practice

Quiz

Fill in the gap
The famous but deadly pigment, used in Victorian wallpapers, was responsible for numerous cases of arsenic poisoning.
Multiple Choice

What is the primary reason copper arsenite is no longer used in consumer products?