Argillaceous

2 definitions found

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

  Argillaceous \Ar`gil*la"ceous\, a. [L. argillaceus, fr.
     argilla.]
     Of the nature of clay; consisting of, or containing, argil or
     clay; clayey.
     [1913 Webster]
  


     {Argillaceous sandstone} (Geol.), a sandstone containing much
        clay.
  
     {Argillaceous iron ore}, the clay ironstone.
  
     {Argillaceous schist} or {state}. See {Argillite}.
        [1913 Webster]

From WordNet (r) 2.0 [wn]:

  argillaceous
       adj : resembling or containing clay; "argillaceous rocks" [syn: {clayey}]
             [ant: {arenaceous}]