addition

ad·di·tion  (-dshn)

n.

1. The act or process of adding, especially the process of computing with sets of numbers so as to find their sum.

2. Something added, such as a room or section appended to a building.

Idioms:

in addition

Also; as well.

in addition to

Over and above; besides.

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[Middle English, from Old French, from Latin additi, additin-, from additus, past participle of addere, to add; see add.]

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ad·dition·al adj.

ad·dition·al·ly adv.

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addition

Noun

1. the act of adding

2. a person or thing that is added

3. a mathematical operation in which the total of two or more numbers or quantities is calculated

4. in addition (to) besides; as well (as)

additional adj
additionally adv

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addition  (-dshn)

The act, process, or operation of adding two or more numbers to compute their sum.

Thesaurus

Noun	1.	addition - 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, improver additive - something added to enhance food or gasoline or paint or medicine afterthought - an addition that was not included in the original plan; "the garage was an afterthought" annex, annexe, wing, extension - an addition that extends a main building attachment - a supplementary part or accessory constituent, element, component - an artifact that is one of the individual parts of which a composite entity is made up; especially a part that can be separated from or attached to a system; "spare components for cars"; "a component or constituent element of a system" elongation, extension - an addition to the length of something
	2.	addition - 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" step-up, increase - the act of increasing something; "he gave me an increase in salary" retrofit - the act of adding a component or accessory to something that did not have it when it was manufactured; "the court ordered a retrofit on all automobiles" fluoridation, fluoridisation, fluoridization - the addition of a fluoride to the water supply (to prevent dental decay) subtraction, deduction - the act of subtracting (removing a part from the whole); "he complained about the subtraction of money from their paychecks"
	3.	addition - 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" gain, increase indefinite quantity - an estimated quantity accretion - something contributing to growth or increase; "he scraped away the accretions of paint"; "the central city surrounded by recent accretions"
	4.	addition - something added to what you already have; "the librarian shelved the new accessions"; "he was a new addition to the staff" accession acquisition - something acquired; "a recent acquisition by the museum"
	5.	addition - a suburban area laid out in streets and lots for a future residential area suburb, suburban area, suburbia - a residential district located on the outskirts of a city
	6.	addition - 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" plus, summation arithmetic operation - a mathematical operation involving numbers

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addition

noun 1. extra, supplement, complement, adjunct, increase, gain, bonus, extension, accessory, additive, appendix, increment, appendage, addendum

noun 2. inclusion, adding, increasing, extension, attachment, adjoining, insertion, incorporation, annexation, accession, affixing, augmentation << OPPOSITE removal

noun 3. counting up, totalling, reckoning, summing up, adding up, computation, totting up, summation << OPPOSITE subtraction >> in addition to 4. as well as, along with, on top of, besides, to boot, additionally, over and above, to say nothing of, into the bargain

Translations

addition [əˈdɪʃən] n (= adding up) → adición f (= thing added); añadidura, añadido;

in addition → además, por añadidura;

in addition to → además de

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addition [əˈdɪʃən] n (= adding up) → addition f;

(thing added) → ajout m;

in addition → de plus, de surcroît;

in addition to → en plus de

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addition [əˈdɪʃən] n (adding up) → Zusammenzählen nt;

(thing added) → Zusatz m: (to payment, bill) → Zuschlag m: (to building) → Anbau m;

in addition (to) → zusätzlich (zu)

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addition [əˈdɪʃən] n → addizione f;

in addition → inoltre;

in addition to → oltre