ACCESSORY a. 4 definitions
Accompanying as a subordinate; aiding in a secondary way; additional; connected as an incident or subordinate to a principal; contributing or contributory; said of persons and things, and, when of persons, usually in a bad sense; as, he was accessory to the riot; accessory sounds in music.
ACCIDENTAL a. 5 definitions
Nonessential; not necessary belonging; incidental; as, are accidental to a play. Accidental chords (Mus.), those which contain one or more tones foreign to their proper harmony. -- Accidental colors (Opt.), colors depending on the hypersensibility of the retina of the eye for complementary colors. They are purely subj…