- Add to - Augment - Something added - Vitamin, dietary ... - That which supplies a deficiency, or meets a want; a
store; a supply. - That which fills up, completes, or makes an addition
to, something already organized, arranged, or set apart; specifically,
a part added to, or issued as a continuation of, a book or paper, to
make good its deficiencies or correct its errors. - The number of degrees which, if added to a specified
arc, make it 180¡; the quantity by which an arc or an angle falls short
of 180 degrees, or an arc falls short of a semicircle.