Alkoxide

any chemical compound with a general formula ROM, being a derivative of an alcohol, in which R is saturated at the site of its attachment to oxygen and M is a cation

An alkoxide ion is the ion made by taking a hydrogen ion (H+) off an alcohol. Alkoxide ions have a charge of -1. They include an alkane, which is bonded to an oxygen with a negative charge. Alkoxides are also the compounds made with an alkoxide ion and a positive ion.