Find the word definition

Wiktionary
methoxide

n. 1 (context chemistry English) The anion CH3O derived from methanol by the loss of a proton. 2 (context chemistry English) Any salt of this anion.

Wikipedia
Methoxide

Methoxides are organic salts and the simplest alkoxides. Sodium methoxide and potassium methoxide have widespread use, though other metal- cation variants such as lithium methoxide, rubidium methoxide, caesium methoxide, and francium methoxide exist as well.

Usage examples of "methoxide".

The methoxide and oil mixture is stirred for an hour while being kept at a moderate temperature of 130 degrees Fahrenheit, which is the temperature of hot water straight out of your average hot water heater.