plural of add

Third-person singular simple present indicative form of add

Third-person singular simple present indicative form of add on

(business, management) Something that adds value; a benefit or enhancement.

(intransitive, business, management) To make a product or service more desirable or useful.

(transitive) To have a particular effect in combination.

plural of add-in

Community for Open Antimicrobial Drug Discovery

plural of add on

(sciences, engineering) To combine the magnitude of two uncorrelated signals, usually noise or errors, by taking the square root of the sum of the squares.