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intrusive

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intrusive


  2  definitions  found 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Intrusive  \In*tru"sive\,  a. 
  Apt  to  intrude;  characterized  by  intrusion;  entering  without 
  right  or  welcome. 
 
  {Intrusive  rocks}  (Geol.),  rocks  which  have  been  forced, 
  while  in  a  plastic  or  melted  state,  into  the  cavities  or 
  between  the  cracks  or  layers  of  other  rocks.  The  term  is 
  sometimes  used  as  equivalent  to  plutonic  rocks.  It  is  then 
  contrasted  with  effusive  or  volcanic  rocks. 
 
  From  WordNet  r  1.6  [wn]: 
 
  intrusive 
  adj  1:  tending  to  intrude  (especially  upon  privacy);  "she  felt  her 
  presence  there  was  intrusive"  [ant:  {unintrusive}] 
  2:  (geology)  of  rock  material;  forced  while  molten  into  cracks 
  between  layers  of  other  rock  [ant:  {extrusive}] 
  3:  thrusting  inward;  "an  intrusive  arm  of  the  sea"  [ant:  {protrusive}] 




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