noun
1 sth that is added; process of adding sth
ADJECTIVE
▪ useful , valuable , welcome , worthy
▪ important , major , notable , significant
▪ latest , new , recent
VERB + ADDITION
▪ make
▪
We have made several ~s to the collection recently.
PREPOSITION
▪ in ~
▪
There is, in ~, one further point to make.
▪ ~ to
▪
the latest ~ to the family (= a new baby)
2 process of adding numbers/amounts
ADJECTIVE
▪ simple
▪
He worked it out through simple ~.
VERB + ADDITION
▪ do
▪
She can do ~, but she hasn't learned subtraction yet.
3 ( AmE ) part added to a building ⇨ See also ↑ extension
ADJECTIVE
▪ building , room
▪ two-story , three-story , etc.
▪ 490-square-foot , 2 000-square-foot , etc.
VERB + ADDITION
▪ build
▪ design
▪
a 22 000-square-foot ~ designed by a Japanese architect
PREPOSITION
▪ ~ to
▪
a family-room ~ to his home