thiocyanic acid: meaning, definition, pronunciation and examples
C2 - Very rare/TechnicalFormal / Scientific / Technical
Quick answer
What does “thiocyanic acid” mean?
A chemical compound with the formula HSCN, containing hydrogen, sulfur, carbon, and nitrogen, forming thiocyanate salts.
Audio
Pronunciation
Definition
Meaning and Definition
A chemical compound with the formula HSCN, containing hydrogen, sulfur, carbon, and nitrogen, forming thiocyanate salts.
A strong, unstable acid; the sulfur analogue of cyanic acid, existing mainly as its conjugate base (thiocyanate) in solution. Important in analytical chemistry, biochemistry, and industrial processes.
Dialectal Variation
British vs American Usage
Differences
No significant lexical or spelling differences. Pronunciation differs in stress pattern and specific vowel sounds.
Connotations
None beyond its strict scientific meaning.
Frequency
Extremely low frequency in general language, confined to highly technical contexts in both varieties.
Grammar
How to Use “thiocyanic acid” in a Sentence
thiocyanic acid is used in...the synthesis involves thiocyanic acidreacts with X to form thiocyanic acidVocabulary
Collocations
Examples
Examples of “thiocyanic acid” in a Sentence
adjective
British English
- The thiocyanic acid derivative was unstable.
- They studied the thiocyanic acid group.
American English
- The thiocyanic acid compound decomposed rapidly.
- A thiocyanic acid functional group was identified.
Usage
Meaning in Context
Business
Not used.
Academic
Used in advanced chemistry texts and research papers on coordination chemistry, analytical methods, or reaction mechanisms.
Everyday
Never used.
Technical
Core term in chemistry labs, chemical industry (e.g., in photography, textile processing), and pharmacology (thiocyanate compounds).
Vocabulary
Synonyms of “thiocyanic acid”
Strong
Neutral
Weak
Vocabulary
Antonyms of “thiocyanic acid”
Watch out
Common Mistakes When Using “thiocyanic acid”
- Mispronouncing 'thio-' as /θiːoʊ/ instead of /θaɪoʊ/.
- Confusing it with the more common 'thiocyanate' (the ion/salt).
- Misspelling as 'thicyanic' or 'thiocianic'.
FAQ
Frequently Asked Questions
No, it is unstable and typically exists in solution or as its salts (thiocyanates).
Primarily in advanced inorganic and analytical chemistry, and in specific industrial applications like photography or corrosion inhibition.
Thiocyanic acid (HSCN) is the parent acid, while 'thiocyanate' refers to its anion (SCN⁻) or the salts containing that ion.
Almost exclusively in highly specialized scientific or technical translation contexts, not in general language learning.
A chemical compound with the formula HSCN, containing hydrogen, sulfur, carbon, and nitrogen, forming thiocyanate salts.
Thiocyanic acid is usually formal / scientific / technical in register.
Thiocyanic acid: in British English it is pronounced /ˌθaɪə(ʊ)saɪˈænɪk ˈæsɪd/, and in American English it is pronounced /ˌθaɪoʊsaɪˈænɪk ˈæsɪd/. Tap the audio buttons above to hear it.
Learning
Memory Aids
Mnemonic
Think: THIO (sulfur) + CYANIC (related to cyanide) + ACID. It's the sulfur version of cyanic acid.
Conceptual Metaphor
A volatile, fleeting precursor (the acid itself) giving rise to stable, useful offspring (its salts/ions).
Practice
Quiz
What is the primary element that distinguishes thiocyanic acid from cyanic acid?