The act of adding anything.
The arithmetic operation of adding.
A dot at the right side of a note as an indication that its sound is to be lengthened one half.
Anything that is added.
A title annexed to a person's name to identify him or her more precisely.
Something added to a coat of arms, as a mark of honour.
The act of inserting, or something inserted.
With a nuclear bomb, the process of going from subcritical to prompt critical.
The distal end of attachment of a muscle to a bone that will be moved by the muscle.
The addition of a nucleotide to a chromosome by mutation.