Intrusively

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Intrusive \In*tru"sive\, a.
     Apt to intrude; characterized by intrusion; entering without
     right or welcome.
     [1913 Webster]
  
     {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. --
        {In*tru"sive*ly}, adv. -- {In*tru"sive*ness}, n.
        [1913 Webster]