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File:Methoxy group.svg
The structure of a typical methoxy group.

In chemistry (particularly organic chemistry), methoxy refers to the functional group consisting of a methyl group bound to oxygen. It has the formula:


The word is used in organic nomenclature usually to describe an ether. It is also an electron-donating group and can cause an organic compound to become less acidic.

Examples of methoxy ethers are methoxyethane and methoxypropane. he:מתוקסי