addition

Valid in Scrabble

Scrabble points
10
Words With Friends
11
Letters
8
Pronunciation
/əˈdɪʃ.ən/
See all 2 pronunciations
/əˈdɪʃ.ən/ · /ˈə.ɖɪ.ʃən/

Definition of addition

7 senses · 1 part of speech · etymology included

noun

  1. (uncountable)The act of adding anything.
    “The addition of five more items to the agenda will make the meeting unbearably long.”
See all 7 definitions

noun

  1. (uncountable)The act of adding anything.
    “The addition of five more items to the agenda will make the meeting unbearably long.”
  2. (countable, uncountable)Anything that is added.
  3. (uncountable)The arithmetic operation of adding.
  4. (countable, uncountable)A dot at the right side of a note as an indication that its sound is to be lengthened one half.
  5. (countable, uncountable)A title annexed to a person's name to identify him or her more precisely.
    “[…]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. (countable, uncountable)Something added to a coat of arms, as a mark of honour.
  7. (countable, uncountable)an organic reaction where two or more molecules combine to form a larger one (the adduct).

Definitions from Wiktionary, CC BY-SA.

Etymology

Etymology tree Proto-Indo-European *h₂éd Proto-Italic *ad Proto-Italic *ad- Latin ad- Proto-Indo-European *dʰeh₁- Proto-Indo-European *dʰéh₁tder. Proto-Italic *-ðō Latin -dō Latin addō Latin additiōder. Old French aditionder. Middle English addicioun English addition…

See full etymology

Etymology tree Proto-Indo-European *h₂éd Proto-Italic *ad Proto-Italic *ad- Latin ad- Proto-Indo-European *dʰeh₁- Proto-Indo-European *dʰéh₁tder. Proto-Italic *-ðō Latin -dō Latin addō Latin additiōder. Old French aditionder. Middle English addicioun English addition 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”).

Hooks

1 extension · 1 back

A single letter you can add to addition to make another valid word.

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