I. ˌīd, _əd, (ˌ)id noun suffix
also -id əd, (ˌ)id
( -s )
Etymology: German & French; German -id, from French -ide (as in oxide ) — more at oxide
1. : binary chemical compound or compound regarded as binary — added to contracted name of the nonmetallic or more electronegative element
iron oxide
hydrogen sulf ide
or radical
am ide
ethox ide
2.
a. : chemical compound derived from or related to another (usually specified) compound
anhydr ide
glycol ide
phthal ide
b. : acetal derivative of a sugar — in names of glycosides replacing final -e of the name of the sugar
arabinos ide
cerebros ide
— compare -oside
3. : one of a class of organic especially naturally occurring compounds
phosphat ide
pept ide
sacchar ide
4. : chemical elements of a series of metallic elements of increasing atomic numbers
actin ide
lanthan ide
II.
— see -id