What is the meaning of -ide?

Any of a group of related compounds - azide, polysaccharide, glycoside.

A binary compound - bromide, arsenide, palladide.

Any of a group of several elements - lanthanide.

-ide

-id

-id

-id

-id

-id

-ide

-id; forms families of organisms

-id

-id

Used to form emphatic verbs.

Form of the suffix -idda used with even-syllable stems.

Source: wiktionary.org