iodoform
Definition
Noun: 1. A chemical compound: A yellowish, crystalline solid with a characteristic penetrating odor. Its chemical formula is CHI₃, and it is classified as a haloform. 2. An antiseptic substance: Historically used in medical dressings for its antiseptic properties to prevent infection in wounds.
Usage Examples
- Noun:
- The old medical kit contained a small bottle of iodoform powder.
- Iodoform is recognized by its distinctive, sweetish odor.
- The chemical synthesis produced crystals of iodoform.
Advanced Usage
- Chemical Context: In organic chemistry, the formation of iodoform is a specific test (the iodoform test) for methyl ketones (CH₃COR) and certain alcohols.
- The positive iodoform reaction indicated the presence of a methyl ketone group in the compound.
Variants and Related Words
- Haloform (n): A general term for compounds with the formula CHX₃, where X is a halogen (chlorine, bromine, or iodine). Iodoform is the iodine member (X = I) of this series.
- Antiseptic (n/adj): A broader term for any substance that prevents the growth of disease-causing microorganisms. Iodoform is one specific type of antiseptic.
Synonyms
- Triiodomethane: The systematic IUPAC name for the compound CHI₃.
- Antiseptic dressing: A descriptive phrase for its historical medical use.
Related Phrases/Compounds
- Iodoform test (n): A qualitative chemical test used to detect the presence of a specific molecular structure.
- Iodoform gauze (n): A type of medicated gauze impregnated with iodoform, once used for packing wounds.
Noun
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a yellowish crystalline solid with a penetrating odor; sometimes used as an antiseptic dressing
-
sweet smelling yellow solid haloform CHI3
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