iodoform
RareTechnical/Scientific
Definition
Meaning
A yellow crystalline compound with antiseptic properties, chemical formula CHI₃.
Historically used as a disinfectant and antiseptic in medicine, particularly for wound dressing, though largely replaced by modern antiseptics.
Linguistics
Semantic Notes
Primarily a historical/chemical term; not used in contemporary everyday medicine. The name derives from its chemical composition (iodine + formyl).
Dialectal Variation
British vs American Usage
Differences
No significant differences in meaning or usage; both regions use the same technical term.
Connotations
Historical medical context; obsolete antiseptic.
Frequency
Equally rare in both varieties, confined to historical medical texts or chemistry contexts.
Vocabulary
Collocations
Grammar
Valency Patterns
The surgeon applied [iodoform] to the wound.The [iodoform] dressing was changed daily.[Iodoform] is a yellow solid.Vocabulary
Synonyms
Strong
Neutral
Weak
Vocabulary
Antonyms
Phrases
Idioms & Phrases
- “None”
Usage
Context Usage
Business
Not used.
Academic
Found in historical medical papers or chemistry textbooks discussing halogenated organic compounds.
Everyday
Virtually never used.
Technical
Used in chemistry to refer to CHI₃; in medical history to describe obsolete antiseptic practices.
Examples
By Part of Speech
adjective
British English
- The iodoform dressing needed replacement.
- An iodoform-like odour filled the room.
American English
- The iodoform gauze was sterile.
- A distinct iodoform smell was noticeable.
Examples
By CEFR Level
- Iodoform is a chemical compound.
- The old medicine had iodoform in it.
- Iodoform was once a common antiseptic for treating wounds.
- The characteristic smell of iodoform is often described as medicinal.
- In the early 20th century, iodoform gauze was routinely used to pack infected wounds due to its antiseptic properties.
- The synthesis of iodoform from acetone and iodine is a classic test for methyl ketones in organic chemistry.
Learning
Memory Aids
Mnemonic
Think: 'I OWE a FORM of iodine antiseptic' → IODO-FORM.
Conceptual Metaphor
None common.
Watch out
Common Pitfalls
Translation Traps (for Russian speakers)
- Do not confuse with 'iodine' (йод). Iodoform is a specific compound (йодоформ).
Common Mistakes
- Misspelling as 'iodoforme' or 'iodoformn'.
- Using it as a general term for any antiseptic.
Practice
Quiz
What is the primary modern status of iodoform in medicine?
FAQ
Frequently Asked Questions
No, it is largely obsolete and has been replaced by more effective and less toxic modern antiseptics.
It has a distinctive, penetrating, somewhat sweet medicinal odour that is often associated with older hospitals or clinics.
It is very unlikely to be available in modern consumer pharmacies, as it is not part of contemporary first-aid or treatment protocols.
Its chemical formula is CHI₃, and its systematic name is triiodomethane.