addition

Definitions

1. noun

   The act of adding something.

   Examples

   • The addition of sugar made the tea sweeter.
   • The addition of a new wing doubled the museum's size.
   ≈adding≈annexation≈inclusion
2. noun

   Something that has been added.

   Examples

   • The new employee is a welcome addition to the team.
   • The garage was a later addition to the house.
   ≈extra
3. noun

   The math skill of putting numbers together.

   Examples

   • Children learn addition before subtraction.
   • The calculator does addition and other basic sums.
4. noun

   In music, a dot after a note that makes it longer.

   Examples

   • The dot after the note makes it half as long again.
   • A dotted note uses an addition to make it longer.
5. noun

   In old-fashioned use, a title added to a name to identify a person.

   Examples

   • His full legal name included the addition of Esquire.
   • The paper gave his addition as of London, merchant.
6. noun

   A mark added to a coat of arms as an honor.

   Examples

   • The knight received an addition to his coat of arms for bravery.
   • A new addition was given to the family crest after the victory.
   ≠abatement
7. noun

   In chemistry, a reaction where molecules join into a larger one.

   Examples

   • The reaction works by simple addition of the two chemicals.
   • Chemists studied how the addition reaction works.