|—suffix forming adjectives|
|1.||See also -ical of, relating to, or resembling: allergic; Germanic; periodic|
|2.||Compare -ous (in chemistry) indicating that an element is chemically combined in the higher of two possible valence states: ferric; stannic|
|[from Latin -icus or Greek -ikos; -ic also occurs in nouns that represent a substantive use of adjectives (magic) and in nouns borrowed directly from Latin or Greek (critic, music)]|
Of, relating to, or characterized by: carbonic.
Having a valence higher than that of a specified element in compounds or ions named with adjectives ending in -ous: ferric.
Of or relating to an acid: sulfuric acid.