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

caustic \caus"tic\, caustical \caus"tical\, a. l. caustucs,
   ge. ?, fr. ? to burn. cf. calm, ink.
   1. capable of destroying the texture of anything or eating
      away its substance by chemical action; burning; corrosive;
      searing.
      1913 webster

   2. severe; satirical; sharp; as, a caustic remark.
      1913 webster

   caustic curve optics, a curve to which the ray of light,
      reflected or refracted by another curve, are tangents, the
      reflecting or refracting curve and the luminous point
      being in one plane.

   caustic lime. see under lime.

   caustic potash, caustic soda chem., the solid
      hydroxides potash, koh, and soda, naoh, or solutions
      of the same.

   caustic silver, nitrate of silver, lunar caustic.

   caustic surface optics, a surface to which rays reflected
      or refracted by another surface are tangents. caustic
      curves and surfaces are called catacaustic when formed by
      reflection, and diacaustic when formed by refraction.

   syn: stinging; cutting; pungent; searching.
        1913 webster
see also:
calm ink caustic curve caustic lime lime caustic potash 
caustic soda koh naoh caustic silver caustic surface 

Caustic >> C Words
Caustic, definition of term: Caustic
caustic_pag1.html

Curve >> C Words
Curve, definition of term: Curve
curve_pag1.html

Caustic Potash >> C Words
Caustic Potash, definition of term: Caustic Potash
caustic+potash_pag1.html

Curve Ball >> C Words
Curve Ball, definition of term: Curve Ball
curve+ball_pag1.html

Caustic Soda >> C Words
Caustic Soda, definition of term: Caustic Soda
caustic+soda_pag1.html

Lunar Caustic >> L Words
Lunar Caustic, definition of term: Lunar Caustic
lunar+caustic_pag1.html

Learning Curve >> L Words
Learning Curve, definition of term: Learning Curve
learning+curve_pag1.html

Kinematic Curve >> K Words
Kinematic Curve, definition of term: Kinematic Curve
kinematic+curve_pag1.html

Bell Curve >> B Words
Bell Curve, definition of term: Bell Curve
bell+curve_pag1.html