plural of add on

(idiomatic, chiefly Hong Kong) To make extra effort.

Community for Open Antimicrobial Drug Discovery

Alternative spelling of readd

(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.

(transitive, slang, dated, horse racing) To geld (a horse). / Used other than figuratively or idiomatically: see add, list. / (transitive) To consider as an additional example to an expansive list.

(idiomatic) To further a loss with mockery or indignity; to worsen an already unfavourable situation.

(dated) To offer one's opinion.

Alternative form of add fuel to the fire.

Used other than figuratively or idiomatically: see add, fuel, fire. / (idiomatic) To worsen a conflict between people; to inflame an already tense situation.