fuming \fum"ing\, a.
   producing fumes, or vapors.
   1913 webster

   cadet's fuming liquid chem., alkarsin.

   fuming liquor of libavius old chem., stannic chloride;
      the chloride of tin, sncl4, forming a colorless, mobile
      liquid which fumes in the air. mixed with water it
      solidifies to the so-called butter of tin.

   fuming sulphuric acid. chem. same as disulphuric acid,
      uder disulphuric.
      1913 webster
see also:
cadet's fuming liquid fuming liquor of libavius sncl4 fuming sulphuric acid disulphuric acid disulphuric 

stannic \stan"nic\ -ni^k, a. l. stannum tin: cf. f.
   stannique. chem.
   of or pertaining to tin; derived from or containing tin;
   specifically, designating those compounds in which the
   element has a higher valence as contrasted with stannous
   compounds.
   1913 webster

   stannic acid.
   a a hypothetical substance, snoh4, analogous to silicic
       acid, and called also normal stannic acid.
   b metastannic acid.

   stannic chloride, a thin, colorless, fuming liquid,
      sncl4, used as a mordant in calico printing and dyeing;
      -- formerly called spirit of tin, or fuming liquor of
      libavius.

   stannic oxide, tin oxide, sno2, produced artificially as
      a white amorphous powder, and occurring naturally in the
      mineral cassiterite. it is used in the manufacture of
      white enamels, and, under the name of putty powder, for
      polishing glass, etc.
      1913 webster
see also:
stannous stannic acid snoh4 normal stannic acid stannic chloride sncl4 
spirit of tin fuming liquor of libavius stannic oxide sno2 putty powder