01 n. The act of adding two or more things together; -- opposed to subtraction or diminution.
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1.
The act of adding two or more things together; -- opposed to subtraction or diminution.
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2.
Anything added; increase; augmentation; as, a piazza is an addition to a building.
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3.
That part of arithmetic which treats of adding numbers.(Math.)
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4.
A dot at the right side of a note as an indication that its sound is to be lengthened one half.(Mus.) [R.]
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5.
A title annexed to a man's name, to identify him more precisely; as, John Doe, Esq.; Richard Roe, Gent.; Robert Dale, Mason; Thomas Way, of New York; a mark of distinction; a title.(Law)
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6.
Something added to a coat of arms, as a mark of honor; -- opposed to abatement.(Her.)
Phrases & compounds
Vector addition —
that kind of addition of two lines, or vectors, AB and BC, by which their sum is regarded as the line, or vector, AC.
Syn.
Increase; accession; augmentation; appendage; adjunct.