Additament :: Additament (n.) An addition, or a thing added..
Addition :: Addition (n.) The act of adding two or more things together; -- opposed to subtraction or diminution.
Addition :: Addition (n.) Anything added; increase; augmentation; as, a piazza is an addition to a building..
Addition :: Addition (n.) That part of arithmetic which treats of adding numbers.
Addition :: Addition (n.) A dot at the right side of a note as an indication that its sound is to be lengthened one half.
Addition :: Addition (n.) 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..
Addition :: Addition (n.) Something added to a coat of arms, as a mark of honor; -- opposed to abatement..
Additional :: Additional (a.) Added; supplemental; in the way of an addition.
Additive :: Additive (a.) Proper to be added; positive; -- opposed to subtractive.
Additory :: Additory (a.) Tending to add; making some addition.
Adit :: Adit (n.) An entrance or passage. Specifically: The nearly horizontal opening by which a mine is entered, or by which water and ores are carried away; -- called also drift and tunnel..