methyl alcohol: meaning, definition, pronunciation and examples
C1/C2Technical/Scientific
Quick answer
What does “methyl alcohol” mean?
A colorless, volatile, flammable, and toxic liquid alcohol (CH₃OH), also known as methanol.
Audio
Pronunciation
Definition
Meaning and Definition
A colorless, volatile, flammable, and toxic liquid alcohol (CH₃OH), also known as methanol.
It is used primarily as an industrial solvent, antifreeze, fuel, and as a denaturant for ethanol. It is poisonous to humans and can cause blindness or death if ingested.
Dialectal Variation
British vs American Usage
Differences
No significant lexical difference. 'Methanol' is equally common in both varieties in technical contexts.
Connotations
Identical strong connotations of toxicity and industrial use.
Frequency
Slightly more frequent in American English in broader public discourse due to occasional news stories about poisoning cases.
Grammar
How to Use “methyl alcohol” in a Sentence
[substance] is denatured with methyl alcohol[person] was poisoned by methyl alcohol[process] requires anhydrous methyl alcoholVocabulary
Collocations
Examples
Examples of “methyl alcohol” in a Sentence
verb
British English
- The process involves methylating the compound.
- They had to methanol-wash the apparatus.
American English
- The lab tech will methanol-extract the sample.
- The mixture was methylated during synthesis.
adverb
British English
- [Not standardly used as an adverb]
American English
- [Not standardly used as an adverb]
adjective
British English
- The methyl-alcohol solution was prepared.
- A methyl-alcohol fire requires a specific extinguisher.
American English
- The methanol-based fuel is highly efficient.
- Methyl alcohol poisoning is a medical emergency.
Usage
Meaning in Context
Business
Referenced in chemical supply, manufacturing, and safety compliance documents.
Academic
Common in chemistry, chemical engineering, toxicology, and industrial safety literature.
Everyday
Rare, except in warnings about poisonous substances or in specific DIY/industrial hobbyist contexts.
Technical
The standard term in chemical formulas, safety data sheets (SDS), and industrial process descriptions.
Vocabulary
Synonyms of “methyl alcohol”
Strong
Neutral
Weak
Vocabulary
Antonyms of “methyl alcohol”
Watch out
Common Mistakes When Using “methyl alcohol”
- Pronouncing 'methyl' as /'mi:θaɪl/ (with a long 'ee') instead of /'mɛθ-/ (short 'e').
- Using 'methyl alcohol' colloquially to refer to any strong liquor.
- Confusing it with 'isopropyl alcohol' (rubbing alcohol).
FAQ
Frequently Asked Questions
No, rubbing alcohol is usually isopropyl alcohol. Methyl alcohol (methanol) is a different, more toxic compound.
No, it is metabolized into highly toxic substances (formic acid and formaldehyde) that cause severe poisoning, leading to blindness, organ failure, or death.
Historically, it was produced chiefly as a byproduct of the destructive distillation of wood.
Seek immediate medical emergency help. A specific antidote (often ethanol or fomepizole) can be administered in hospital to block its toxic metabolism.
A colorless, volatile, flammable, and toxic liquid alcohol (CH₃OH), also known as methanol.
Methyl alcohol is usually technical/scientific in register.
Methyl alcohol: in British English it is pronounced /ˌmɛθaɪl ˈælkəhɒl/, and in American English it is pronounced /ˌmɛθəl ˈælkəhɔːl/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “[No common idioms directly associated with the term]”
Learning
Memory Aids
Mnemonic
Think 'METHYL = METH (like methane gas) + YL (ill). It's the 'ill' alcohol that makes you very sick, unlike its cousin ethyl.'
Conceptual Metaphor
POISON/TOXIN (as opposed to the DRINK/ENJOYMENT metaphor for ethanol).
Practice
Quiz
What is the primary reason methyl alcohol is added to industrial ethanol?