Addition Ad*di"tion, n. [F. addition, L. additio, fr. addere to add.] 1. The act of adding two or more things together; -- opposed to {subtraction} or {diminution}. ``This endless addition or addibility of numbers.'' --Locke. [1913 Webster]

2. Anything added; increase; augmentation; as, a piazza is an addition to a building. [1913 Webster]

3. (Math.) That part of arithmetic which treats of adding numbers. [1913 Webster]

4. (Mus.) A dot at the right side of a note as an indication that its sound is to be lengthened one half. [R.] [1913 Webster]

5. (Law) A title annexed to a man's name, to identify him more precisely; as, John Doe, Esq.; Richard Roe, Gent.; Robert Dale, Mason; Thomas Way, of New York; a mark of distinction; a title. [1913 Webster]

6. (Her.) Something added to a coat of arms, as a mark of honor; -- opposed to {abatement}. [1913 Webster]

{Vector addition} (Geom.), that kind of addition of two lines, or vectors, AB and BC, by which their sum is regarded as the line, or vector, AC. [1913 Webster]

Syn: Increase; accession; augmentation; appendage; adjunct. [1913 Webster]

The Collaborative International Dictionary of English. 2000.


Look at other dictionaries:

  • Addition — is the mathematical process of putting things together. The plus sign + means that two numbers are added together. For example, in the picture on the right, there are 3 + 2 apples meaning three apples and two other apples which is the same as… …   Wikipedia

  • addition — [ adisjɔ̃ ] n. f. • 1265; lat. additio « chose ajoutée » 1 ♦ Action d ajouter en incorporant. ⇒ adjonction. L addition de plusieurs choses. Liqueur composée par addition d un sirop à une eau de vie. Chim. Composé d addition, formé par l union de… …   Encyclopédie Universelle

  • addition — UK US /əˈdɪʃən/ noun ► [C] something extra that is added to something: an addition to sth »The company provides a compensation package which amounts to an addition to the employee s salary. ► [U] the act of adding something to something else: the …   Financial and business terms

  • addition — addition, accretion, increment, accession agree in denoting a thing that serves to increase another in size, amount, or content. Addition implies union with something already existing as a whole or as a unit {he built an addition to his house… …   New Dictionary of Synonyms

  • addition — Addition. s. f. Surcroist, adjonction à quelque chose que ce soit. Faire une addition, une longue addition. un tel livre avec les additions. on a informé par addition contre luy. Addition. Premiere regle d Arithmetique; qui apprend à additionner …   Dictionnaire de l'Académie française

  • addition — ADDITION. sub. f. (On prononce les D.) Ce qui est ajouté à quelque chose. Faire des additions, de longues additions. Un livre avec des additions. f♛/b] On dit, en termes de Pratique, Informer par addition, pour, Ajouter une nouvelle information à …   Dictionnaire de l'Académie Française 1798

  • addition — [ə dish′ən] n. [ME addicion < OFr addition < L additio < addere: see ADD1] 1. an adding of two or more numbers to get a number called the sum 2. a joining of a thing to another thing 3. a thing or part added; increase; specif., a room or …   English World dictionary

  • Addition — kann jede eindeutige Verknüpfung von Größen (im weitesten Sinne des Wortes; vgl. a. Mathematik) genannt werden, die folgende Eigenschaften – bei deren Darstellung bereits das Additionszeichen +, gelesen plus, und das Wort Summe für das… …   Lexikon der gesamten Technik

  • addition — I noun accessio, accession, accessory, addend, addendum, additament, additive, adiectio, adjunct, adjunction, annex, annexation, attachment, augmentation, complement, enlargement, extension, increase, increment, joining, pendant, subjunction,… …   Law dictionary

  • addition — (n.) late 14c., action of adding numbers; c.1400, that which is added, from O.Fr. adition increase, augmentation (13c.), from L. additionem (nom. additio) an adding to, addition, noun of action from pp. stem of addere (see ADD (Cf. add)). Phrase… …   Etymology dictionary

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