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

surface \sur"face`\, n. f. see sur-, and face, and cf.
   superficial.
   1. the exterior part of anything that has length and breadth;
      one of the limits that bound a solid, esp. the upper face;
      superficies; the outside; as, the surface of the earth;
      the surface of a diamond; the surface of the body.
      1913 webster

            the bright surface of this ethereous mold. --milton.
      1913 webster

   2. hence, outward or external appearance.
      1913 webster

            vain and weak understandings, which penetrate no
            deeper than the surface.              --v. knox.
      1913 webster

   3. geom. a magnitude that has length and breadth without
      thickness; superficies; as, a plane surface; a spherical
      surface.
      1913 webster

   4. fort. that part of the side which is terminated by the
      flank prolonged, and the angle of the nearest bastion.
      --stocqueler.
      1913 webster

   caustic surface, heating surface, etc. see under
      caustic, heating, etc.

   surface condensation, surface condenser. see under
      condensation, and condenser.

   surface gauge mach., an instrument consisting of a
      standard having a flat base and carrying an adjustable
      pointer, for gauging the evenness of a surface or its
      height, or for marking a line parallel with a surface.

   surface grub zool., the larva of the great yellow
      underwing moth triphoena pronuba. it is often
      destructive to the roots of grasses and other plants.

   surface plate mach., a plate having an accurately dressed
      flat surface, used as a standard of flatness by which to
      test other surfaces.

   surface printing, printing from a surface in relief, as
      from type, in distinction from plate printing, in which
      the ink is contained in engraved lines.
      1913 webster
see also:
sur- face superficial caustic surface heating surface caustic 
heating surface condensation surface condenser condensation condenser 
surface gauge surface grub triphoena pronuba surface plate surface printing 

[2] : 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

Surface >> S Words
Surface, definition of term: Surface
surface_pag1.html

Surface Tension >> S Words
Surface Tension, definition of term: Surface Tension
surface+tension_pag1.html

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

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

Surface Area >> S Words
Surface Area, definition of term: Surface Area
surface+area_pag1.html

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

Ruled Surface >> R Words
Ruled Surface, definition of term: Ruled Surface
ruled+surface_pag1.html