[ pen-i-trey-shuhn ]
/ ˌpɛn ɪˈtreɪ ʃən /


Nearby words

  1. penetrant,
  2. penetrant gene,
  3. penetrate,
  4. penetrating,
  5. penetrating wound,
  6. penetration aid,
  7. penetrative,
  8. penetrometer,
  9. peneus,
  10. penfield

Origin of penetration

First recorded in 1595–1605, penetration is from the Late Latin word penetrātiōn- (stem of penetrātiō). See penetrate, -ion

Related formsnon·pen·e·tra·tion, nounpre·pen·e·tra·tion, nounself-pen·e·tra·tion, nountrans·pen·e·tra·tion, noun Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for penetration

British Dictionary definitions for penetration


/ (ˌpɛnɪˈtreɪʃən) /


the act or an instance of penetrating
the ability or power to penetrate
keen insight or perception
military an offensive manoeuvre that breaks through an enemy's defensive position
Also called: market penetration the proportion of the total number of potential purchasers of a product or service who either are aware of its existence or actually buy it
another name for depth of field
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for penetration



c.1600, "insight, shrewdness," from Latin penetrationem (nominative penetratio) "a penetrating or piercing," noun of action from past participle stem of penetrare (see penetrate). The sexual sense is attested from 1610s.

Online Etymology Dictionary, © 2010 Douglas Harper