white vitriol
Very lowTechnical / Historical / Archaic
Definition
Meaning
A common name for the chemical compound zinc sulphate (ZnSO₄), a white crystalline salt.
In historical or alchemical contexts, any of several sulphate compounds with a vitreous (glassy) appearance; also used as a mordant in dyeing and formerly in medicine.
Linguistics
Semantic Notes
The term is now largely obsolete in modern chemistry, replaced by the systematic name 'zinc sulphate'. 'Vitriol' historically referred to sulphate salts (e.g., blue vitriol = copper sulphate, green vitriol = iron sulphate). Its use signals an archaic or historical register.
Dialectal Variation
British vs American Usage
Differences
No significant differences in meaning or usage. The term is equally archaic in both varieties.
Connotations
Connotes historical texts, alchemy, old industrial or pharmaceutical processes.
Frequency
Extremely rare in contemporary use in both regions, found primarily in historical documents or specialized historical studies.
Vocabulary
Collocations
Grammar
Valency Patterns
White vitriol is [used/prepared/formed].The [substance/compound] known as white vitriol.Vocabulary
Synonyms
Strong
Neutral
Weak
Usage
Context Usage
Business
Not used.
Academic
Used only in historical or history-of-chemistry contexts.
Everyday
Virtually never used.
Technical
Obsolete term; modern technical texts use 'zinc sulphate'.
Examples
By CEFR Level
- In the old recipe, they used white vitriol.
- The alchemist's inventory listed blue, green, and white vitriol.
- White vitriol, or zinc sulphate, was historically employed as an emetic and in the dyeing industry.
Learning
Memory Aids
Mnemonic
Think: 'White Vitreous' -> White glassy crystals -> Zinc Sulphate.
Conceptual Metaphor
MATERIAL IS IDENTITY (the substance is defined by its color and glassy property).
Watch out
Common Pitfalls
Translation Traps (for Russian speakers)
- Do not translate 'vitriol' as 'витраж' (stained glass). The correct historical term is 'купорос' (e.g., 'цинковый купорос').
Common Mistakes
- Confusing it with other 'vitriols' (e.g., blue or green).
- Using it in modern chemical contexts instead of 'zinc sulphate'.
Practice
Quiz
In a modern chemistry lab, which term would you be most likely to use?
FAQ
Frequently Asked Questions
The compound zinc sulphate is used, but the name 'white vitriol' is obsolete.
They are different metal sulphates: white is zinc, blue is copper, green is iron.
Zinc sulphate can be harmful if ingested in large quantities, causing nausea and vomiting.
From Latin 'vitreus' (glassy), referring to the glassy appearance of the sulphate crystals.