addition

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addition

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Sense of “what is added” dates from 14th century, from Middle English addicioun, addition, from Old French adition, from Latin additiōnem, accusative singular of additiō, from addō (“add, put”).

• IPA^(key): /əˈdɪʃ.ən/,

• Audio (US):

  (file)

• Homophone: edition (weak vowel merger)
• Rhymes: -ɪʃən

addition (countable and uncountable, plural additions)

1. (uncountable) The act of adding anything.

   The addition of five more items to the agenda will make the meeting unbearably long.

2. Anything that is added.
4. (uncountable, arithmetic) The arithmetic operation of adding.
5. (music) A dot at the right side of a note as an indication that its sound is to be lengthened one half.
6. (chiefly law) A title annexed to a person's name to identify him or her more precisely.
   • c. 1599–1602 (date written), William Shakespeare, The Tragicall Historie of Hamlet, Prince of Denmarke:  (Second Quarto), London: I R for N L , published 1604, →OCLC, [Act I, scene iv]:

     […] They clip vs drunkards, and with Swiniſh phraſe / Soyle our addition, and indeede it takes / From our atchieuements, though perform’d at height / The pith and marrow of our attribute […]

7. (heraldry) Something added to a coat of arms, as a mark of honour.

   Antonym: abatement

8. (organic chemistry) an organic reaction where two or more molecules combine to form a larger one (the adduct).

• (act of adding): adding, annexation, inclusion
• (thing added): extra, supplement; See also Thesaurus:adjunct

• (antonym(s) of “act of adding”): exclusion, reduction
• (antonym(s) of “thing added”): deduction, reduction; See also Thesaurus:decrement
• (antonym(s) of “arithmetic operation”): subtraction

• succession
• multiplication
• exponentiation
• tetration
• pentation
• hexation

• add
• adder
• additive

• plus sign (+)
• addition, summation: (augend) + (addend strict sense) = (addend broad sense) + (addend broad sense) = (summand) + (summand) = (sum, total)
• subtraction: (minuend) − (subtrahend) = (difference, remainder)
• multiplication: (multiplier, multiplicator) × (multiplicand) = (factor) × (factor) = (product)
• division: (dividend) ÷ (divisor) = (quotient), remainder left over if divisor does not divide dividend

• Douglas Harper (2001–2024) “addition”, in Online Etymology Dictionary.

addition c (singular definite additionen, plural indefinite additioner)

1. (arithmetic) addition, act of adding

Learned borrowing from Latin additiōnem.

• IPA^(key): /a.di.sjɔ̃/

• Audio:

  (file)

• Homophone: additions
• Rhymes: -ɔ̃

addition f (plural additions)

1. (arithmetic) addition (operation of adding a number to another)

   Coordinate terms: soustraction, multiplication, division

2. bill, check (written note of goods sold, services rendered, or work done, with the price or charge, in a bar or a restaurant)

• additionner

• → Turkish: adisyon

• “addition”, in Trésor de la langue française informatisé , 2012.

• dodinait

Latin additiōnem, accusative singular of additio.

addition c

1. (mathematics) an addition