addition

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

• IPA^(key): /əˈdɪʃən/, /æˈdɪʃən/

• Audio (US)

  (file)

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

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.
3. (uncountable) The arithmetic operation of adding.
4. (music) A dot at the right side of a note as an indication that its sound is to be lengthened one half.
5. (chiefly law) A title annexed to a person's name to identify him or her more precisely, as in "John Doe, Esq.", "Robert Dale, Mason", "Thomas Way, of New York".
   • c. 1599–1602, William Shakespeare, The Tragicall Historie of Hamlet, Prince of Denmarke: […] (Second Quarto), London: Printed by I[ames] R[oberts] for N[icholas] L[ing] […], published 1604, OCLC 760858814, [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 […]

6. (heraldry) Something added to a coat of arms, as a mark of honour; opposed to abatement.

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

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

• additional

• add
• adder

• 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

• “addition” in Douglas Harper, Online Etymology Dictionary, 2001–2019.

addition c (singular definite additionen, plural indefinite additioner)

1. (arithmetics) addition, act of adding

Borrowed from Latin additiō, additiōnis.

• IPA^(key): /a.di.sjɔ̃/, IPA^(key): /a.di.sjõ/

• audio

  (file)

• Homophone: additions
• Rhymes: -ɔ̃

addition f (plural additions)

1. addition (act of adding; thing added; in arithmetic)
2. bill (UK), check (US) (in a restaurant, etc)

• “addition” in le Trésor de la langue française informatisé (The Digitized Treasury of the French Language).

• dodinait

Latin additiōnem, accusative singular of additio.

addition c

1. (mathematics) an addition