thallium sulfate: meaning, definition, pronunciation and examples

C2 (Very low frequency; specialised technical/scientific term)
UK/ˈθaliəm ˈsʌlfeɪt/US/ˈθæliəm ˈsʌlfeɪt/

Specialised scientific/technical, formal; also historical/forensic in non-scientific contexts.

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Quick answer

What does “thallium sulfate” mean?

A toxic, colorless or white crystalline chemical compound composed of thallium and sulfate ions (Tl₂SO₄), used historically as a pesticide and in scientific research.

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Pronunciation

Definition

Meaning and Definition

A toxic, colorless or white crystalline chemical compound composed of thallium and sulfate ions (Tl₂SO₄), used historically as a pesticide and in scientific research.

An extremely poisonous salt of thallium(I), noted for its high toxicity to mammals and insects. Its properties have made it a subject in toxicology, environmental science, and analytical chemistry. It has also been used in niche industrial applications and has historical notoriety as a rodenticide.

Dialectal Variation

British vs American Usage

Differences

The primary difference is spelling: 'sulfate' (US) vs. 'sulphate' (UK). The compound name would be written as 'thallium sulphate' in British English.

Connotations

Identical connotations of toxicity and specialised scientific use in both varieties.

Frequency

Equally rare in both varieties, confined to identical technical domains.

Grammar

How to Use “thallium sulfate” in a Sentence

The [noun] contained thallium sulfate.Thallium sulfate was used to [verb].[Subject] is contaminated with thallium sulfate.The toxicity of thallium sulfate is [adjective].

Vocabulary

Collocations

strong
highly toxiccrystallinewater-solublepoisoning withingestion ofdetection of
medium
historical use ofcompoundsalttoxic effects ofsymptoms of
weak
chemicalbottle ofanalysis ofpresence of

Examples

Examples of “thallium sulfate” in a Sentence

adjective

British English

  • The thallium-sulphate solution was carefully disposed of.
  • A thallium-sulphate poisoning case.

American English

  • The thallium-sulfate solution was carefully disposed of.
  • A thallium-sulfate contamination incident.

Usage

Meaning in Context

Business

Virtually never used, except in highly specific contexts like chemical manufacturing or hazardous waste management.

Academic

Used in chemistry, toxicology, environmental science, and history of science papers.

Everyday

Extremely rare. Might appear in news reports of poisoning cases or historical documentaries.

Technical

Primary domain of use. Precise term in chemical synthesis, analytical methods, toxicological studies, and safety data sheets.

Vocabulary

Synonyms of “thallium sulfate”

Strong

thallous sulfate

Neutral

Tl₂SO₄thallium(I) sulfate

Weak

the poisonthe compoundthe substance

Vocabulary

Antonyms of “thallium sulfate”

antidote (e.g., Prussian blue)non-toxic compoundinnocuous substance

Watch out

Common Mistakes When Using “thallium sulfate”

  • Misspelling as 'thalium sulfate'.
  • Confusing it with other thallium compounds like thallium nitrate.
  • Incorrect pluralisation ('thallium sulfates' is rare; usually treated as a mass noun).
  • Mispronouncing 'thallium' with a soft 'th' as in 'thin' (it's /θ/ as in 'thick').

FAQ

Frequently Asked Questions

Its use is extremely restricted. It is banned as a pesticide in most countries due to its high toxicity but may have limited, controlled applications in scientific research and some specialised industrial processes.

It is highly toxic through ingestion, inhalation, or skin absorption. Poisoning can cause severe neurological and gastrointestinal damage, hair loss, and is often fatal. It has no colour or strong taste, making it particularly dangerous.

There is no chemical difference. 'Sulfate' is the standard American English spelling, while 'sulphate' is the standard British English spelling. The compound itself is identical.

No. It is not a component of any modern consumer goods due to its extreme toxicity. Any encounter would be in a controlled laboratory, industrial, or historical context.

A toxic, colorless or white crystalline chemical compound composed of thallium and sulfate ions (Tl₂SO₄), used historically as a pesticide and in scientific research.

Thallium sulfate is usually specialised scientific/technical, formal; also historical/forensic in non-scientific contexts. in register.

Thallium sulfate: in British English it is pronounced /ˈθaliəm ˈsʌlfeɪt/, and in American English it is pronounced /ˈθæliəm ˈsʌlfeɪt/. Tap the audio buttons above to hear it.

Phrases

Idioms & Phrases

  • No idioms exist for this specific compound.

Learning

Memory Aids

Mnemonic

Think: 'THALLium SULfate is a THALL for all living things' (playing on 'tall' and 'thallium' sounding like 'toll', implying a fatal cost).

Conceptual Metaphor

POISON IS A WEAPON / INVISIBLE THREAT (e.g., 'The thallium sulfate was the silent assassin in the case.')

Practice

Quiz

Fill in the gap
The forensic report concluded that the victim had ingested a lethal dose of .
Multiple Choice

In which field is the term 'thallium sulfate' MOST commonly used?