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v. add·ed, add·ing, adds
1. To join or combine (numbers) through addition: If you add 5 and 10 and 17, the result is 32. If you add 6 to 8, you get 14.
2. To join or unite so as to increase in size, quantity, quality, or scope: added 12 inches to the deck; flowers that added beauty to the dinner table.
3. To say or write further.
1. To find a sum in arithmetic.
a. To constitute an addition: an exploit that will add to her reputation.
b. To create or make an addition: gradually added to my meager savings.
1. To be reasonable, plausible, or consistent; make sense: The witness's testimony simply did not add up.
2. To amount to an expected total: a bill that didn't add up.
3. To formulate an opinion of: added up the other competitors in one glance.
add up to
To constitute; amount to: The revisions added up to a lot of work.
[Middle English adden, from Latin addere : ad-, ad- + dare, to give; see dō- in Indo-European roots.]
add′a·ble, add′i·ble adj.
attention deficit disorder
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
an act or instance of addition
1. of, for, or relating to addition
2. (Grammar) (in systemic grammar) denoting a bound clause that qualifies the meaning of an antecedent noun rather than of the sentence as a whole. Compare contingency4
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014