- 1
The act of adding anything.uncountable
- The addition of five more items to the agenda will make the meeting unbearably long.
- 2
Anything that is added.countableuncountable
- 3
The arithmetic operation of adding.uncountable
- 4
A dot at the right side of a note as an indication that its sound is to be lengthened one half.countableuncountable
- 5
A title annexed to a person's name to identify him or her more precisely.countableuncountable
- […]They clip vs drunkards, and with Swiniſh phraſe / Soyle our addition, and indeede it takes / From our atchieuements, though perform’d at height / The pith and marrow of our attribute[…]
- 6
Something added to a coat of arms, as a mark of honour.countableuncountable
- 7
an organic reaction where two or more molecules combine to form a larger one (the adduct).countableuncountable
syn. supplement · addition
ant. exclusion · reduction · deduction · subtraction · removal