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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 penetration

1 definition found

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

  penetration
      n 1: an attack that penetrates into enemy territory [syn:
           {penetration}, {incursion}]
      2: clear or deep perception of a situation [syn: {penetration},
         {insight}]
      3: the act of entering into or through something; "the
         penetration of upper management by women"
      4: the ability to make way into or through something; "the
         greater penetration of the new projectiles will result in
         greater injuries"
      5: the depth to which something penetrates (especially the depth
         reached by a projectile that hits a target)
      6: the act (by a man) of inserting his penis into the vagina of
         a woman

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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