formic acid
C1-C2 / Low-frequency (Specialised)Technical / Scientific / Academic
Definition
Meaning
A colourless, pungent, corrosive acid (HCOOH) that is naturally secreted by ants and some other insects, and is used industrially.
Refers specifically to the simplest carboxylic acid (systematic name: methanoic acid). It has historical importance as it was first distilled from ants (Latin: formica). It is used in textile processing, leather tanning, as a preservative, and in some chemical syntheses.
Linguistics
Semantic Notes
A hyponym of 'acid' and 'carboxylic acid'. The name is fossilized from its natural source (ants). In non-specialist contexts, it is often only encountered in relation to ant stings/bites. The systematic name 'methanoic acid' is used primarily in formal chemical nomenclature.
Dialectal Variation
British vs American Usage
Differences
No significant differences in meaning or usage. Spelling of related terms follows regional norms (e.g., colourless/colorless).
Connotations
Identical technical connotations. The common name 'formic acid' is universally preferred in chemistry over 'methanoic acid' in both regions.
Frequency
Equally low-frequency and specialised in both dialects. Appears in identical scientific and industrial contexts.
Vocabulary
Collocations
Grammar
Valency Patterns
[Substance] contains formic acid.[Agent] secretes/produces formic acid.[Patient] is treated/cleaned with formic acid.Formic acid is used in/for [process].Vocabulary
Synonyms
Neutral
Vocabulary
Antonyms
Usage
Context Usage
Business
In business contexts related to chemicals, textiles, or agriculture: 'The price of industrial-grade formic acid has risen due to supply chain issues.'
Academic
In chemistry, biology, or materials science papers: 'The reaction was catalyzed by a palladium complex in formic acid.'
Everyday
Rare. Possibly in nature documentaries or first-aid advice: 'Ant stings inject formic acid, which causes the burning sensation.'
Technical
Precise specifications in labs or industry: 'Prepare a 10% v/v formic acid solution in deionised water for HPLC analysis.'
Examples
By Part of Speech
verb
British English
- N/A
American English
- N/A
adverb
British English
- N/A
American English
- N/A
adjective
British English
- The formic acid concentration was measured.
- They studied formic acid derivatives.
American English
- A formic acid solution was prepared.
- Formic acid vapours are irritating.
Examples
By CEFR Level
- Some ants can spray formic acid to defend themselves.
- The sting felt like formic acid on my skin.
- Formic acid is a simple organic acid found in nature.
- Industrial uses of formic acid include leather processing and preservatives.
- The catalytic decomposition of formic acid is a promising method for hydrogen storage.
- Researchers analysed the sample using formic acid as a mobile phase modifier in the chromatograph.
Learning
Memory Aids
Mnemonic
Think of FORMIC as coming from FORMicA (the Latin word for ant). Ants use FORMIC ACID in their bites.
Conceptual Metaphor
NOT APPLICABLE (Highly technical term; metaphorical use is extremely rare and non-standard.)
Watch out
Common Pitfalls
Translation Traps (for Russian speakers)
- Do not translate as 'формовая кислота' (obsolete/incorrect). The correct Russian equivalent is 'муравьиная кислота'.
- The adjective 'formic' relates only to this specific acid, not to 'shape' or 'form'.
Common Mistakes
- Misspelling as 'formiac acid' or 'formatic acid'.
- Confusing it with 'formaldehyde' or 'formic' as a general adjective.
- Incorrectly assuming it is a strong acid (it is actually a relatively weak carboxylic acid).
Practice
Quiz
What is the primary natural source from which formic acid was first isolated?
FAQ
Frequently Asked Questions
In concentrated form, it is corrosive and can cause severe burns. Dilute solutions, like those from ant stings, are irritants but not typically dangerous.
Formic acid (HCOOH) is the simplest carboxylic acid. Acetic acid (CH3COOH) is found in vinegar. Formic acid is more acidic and corrosive.
It occurs naturally in small amounts in some foods like honey and fruits, and is used as a preservative (E236) in some animal feeds, but not commonly in human food.
The name derives from the Latin word 'formica', meaning ant, because it was first obtained by distilling ant bodies.