What is the meaning of Des-?

removal of a group from a molecule

dis-; expresses separation, reversal, or negation.

indicates the negation of a verb; dis-, un-

Alternative form of dez-

Expresses the opposite of the root word.

Alternative form of dis-

un-; de-; dis- (forms verbs indicating the reversal of the prefixed verb)

un- (forms nouns indicating the lack or opposite of the prefixed noun)

Misspelling of dis-.

dis-; indicative of a negative.

Source: wiktionary.org

See also