methanol
/'meθənɔl/
Học thuậtThân thiện
Definition
- Noun:
- A toxic, flammable, volatile liquid alcohol: Methanol is a simple chemical compound (CH₃OH) used primarily as an industrial solvent, antifreeze, and fuel. It is poisonous to humans and can cause blindness or death if ingested.
Examples of Usage
- Noun:
- The laboratory uses methanol as a solvent to clean glassware.
- Methanol is sometimes added to industrial ethanol to make it undrinkable.
- Exposure to methanol fumes requires proper ventilation.
Advanced Usage
- "Denatured alcohol": Ethanol that has been made poisonous and unfit for consumption by adding substances like .
- The fuel for the camping stove is denatured alcohol containing methanol.
Variants and Related Words
- Methyl alcohol (n): Another common name for methanol.
- Methyl alcohol is another term for methanol.
- Wood alcohol (n): A historical name for methanol, originating from its production by distilling wood.
- In the past, wood alcohol was a common source of methanol.
Synonyms
- Wood spirit: An older synonym for methanol.
- Carbinol: A technical name, rarely used in general contexts.
Notes on Meaning
- Primary Industrial Use: The core meaning of relates to its role as an industrial chemical (solvent, antifreeze, fuel feedstock), not a consumable product.
- Toxicity: A defining characteristic of methanol is its high toxicity to humans, which is a critical part of its definition and distinguishes it from ethanol (drinking alcohol).
Noun
- a light volatile flammable poisonous liquid alcohol; used as an antifreeze and solvent and fuel and as a denaturant for ethyl alcohol