Dictionary
add
Pronunciation: (ad), [key]—
v.t.
1. to unite or join so as to increase the number, quantity, size, or importance:
to add two cups of sugar; to add a postscript to her letter; to add insult to injury.
2. to find the sum of (often fol. by
up):
Add this column of figures. Add up the grocery bills.
3. to say or write further.
4. to include (usually fol. by
in):
Don't forget to add in the tip.
—
v.i.
1. to perform the arithmetic operation of addition:
children learning to add and subtract.
2. to be or serve as an addition (usually fol. by
to):
His illness added to the family's troubles.
3. add up,
a. to make the desired, expected, or correct total:
These figures don't add up right.
b. to seem reasonable or consistent; be in harmony or accord:
Some aspects of the story didn't add up.
4. add up to, to signify; indicate:
The evidence adds up to a case of murder.
—
n.
Journalism.copy added to a completed story.
ADD
attention deficit disorder.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.