Definition of methyl ether
1 : a flammable easily condensable gas (CH3)2O that has an agreeable odor and is usually obtained by heating methanol with sulfuric acid —called also dimethyl ether
2 : an ether in which one of the radicals united to oxygen is methyl the methyl ether of benzyl alcohol
Love words? You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.
Join MWU now and get access to America’s largest dictionary, with:
- 300,000 words that aren't in our free dictionary
- Expanded definitions, etymologies, and usage notes
- Advanced search features
- Ad free!
Seen and Heard
What made you want to look up methyl ether? Please tell us where you read or heard it (including the quote, if possible).