addition

nouns

a component that is added to something to improve it
"the addition of a bathroom was a major improvement"; "the addition of cinnamon improved the flavor"
add-on, addition, improver
is derived from
add
the act of adding one thing to another
"the addition of flowers created a pleasing effect"; "the addition of a leap day every four years"
addition
is derived from
add
antonym
subtraction
is a type of (narrower)
the act of increasing something
"he gave me an increase in salary"
increase, step-up
a quantity that is added
"there was an addition to property taxes this year"; "they recorded the cattle's gain in weight over a period of weeks"
addition, gain, increase
something added to what you already have
"the librarian shelved the new accessions"; "he was a new addition to the staff"
accession, addition
a suburban area laid out in streets and lots for a future residential area
addition
is a type of (narrower)
a residential district located on the outskirts of a city
suburb, suburban area, suburbia
the arithmetic operation of summing; calculating the sum of two or more numbers
"the summation of four and three gives seven"; "four plus three equals seven"
addition, plus, summation
is derived from
add
is derived from
add