something added to what you already have
a component that is added to something to improve it
a quantity that is added
the arithmetic operation of summing; calculating the sum of two or more numbers
a suburban area laid out in streets and lots for a future residential area
the act of adding one thing to another
something a little different from others of the same type
all of the identical copies of something offered to the public at the same time
an issue of a newspaper
the form in which a text (especially a printed book) is published
