SULPHONIC a.
d by the oxidation of the mercaptans, or by treating sulphuric acid with certain aromatic bases (as benzene); as, phenyl sulphonic acid, C6H5.SO2.OH, a stable colorless crystalline substance. Sulphonic group (Chem.), the hypothetical radical, SO2.OH, the characteristic residue of sulphonic acids.
SULPHUR n. 2 definitions
owder, consisting of antimonic sulphide, Sb2S5, -- formerly a famous nostrum. -- Sulphur base (Chem.), an alkaline sulphide capable of acting as a base in the formation of sulphur salts according to the old dual theory of salts. [Archaic] -- Sulphur dioxide (Chem.), a colorless gas, SO2, of a pungent, suffocating odor…
SURGEON n. 2 definitions
euthidæ, or Acanthuridæ, which have one or two sharp lancelike spines on each side of the base of the tail. Called also surgeon fish, doctor fish, lancet fish, and sea surgeon. Surgeon apothecary, one who unites the practice of surgery with that of the apothecary. Dunglison. -- Surgeon dentist, a dental surgeon; a den…
SURMISE n. 3 definitions
A thought, imagination, or conjecture, which is based upon feeble or scanty evidence; suspicion; guess; as, the surmisses of jealousy or of envy. [We] double honor gain From his surmise proved false. Milton. No man ought to be charged with principles he actually disowns, unless his practicies contradict his profession;…
TAIL n. 20 definitions
l beam. (Arch.) Same as Tailpiece. -- Tail coverts (Zoöl.), the feathers which cover the bases of the tail quills. They are sometimes much longer than the quills, and form elegant plumes. Those above the quills are called the upper tail coverts, and those below, the under tail coverts. -- Tail end, the latter end; th…