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Valid in these dictionaries

TWL/NWL (Scrabble US/CA/TH)
SOWPODS/CSW (Scrabble UK / ALL)
ENABLE (Words with Friends)

Meaning of impaction

1 definition found

From WordNet (r) 3.0 (2006) [wn]:

  impaction
      n 1: the condition of being pressed closely together and firmly
           fixed
      2: a disorder in which feces are impacted in the lower colon
      3: a disorder in which a tooth is so crowded in its socket that
         it cannot erupt normally [syn: {impaction}, {impacted tooth}]
      4: a sharp collision produced by striking or dashing against
         something [syn: {impingement}, {impaction}]

Source : WordNet ® Princeton University. 2010.

Use this dictionary checker to learn more about a word - find out its meaning and also make sure whether that word is a valid word in any of these dictionaries (used by popular word games). Here is the list of dictionaries it checks for :

OCTWL / TWL : The official dictionary for scrabble game in United States, Canada and Thailand.
SOWPODS / CSW : UK and the rest of the world uses this dictionary for various word games including scrabble.
ENABLE - This is the default dictionary for Words with Friends.

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