Search the Dictionary

Webster’s Dictionary (1828)

98,828 entries. Headwords are matched first, then definition text.

274 words match “SULPHUR”

DESULPHURIZE v.

To desulphurate; to deprive of sulphur. -- De*sul`phur*i*za"tion, n.

DEUTOSULPHURET n.

A disulphide. [Obs.]

See Disulphide.

Applied to an acid having in each molecule two atoms of sulphur in the higher state of oxidation. Disulphuric acid, a thick oily liquid, H2S2O7, called also Nordhausen acid (from Nordhausen in the Harts, where it was originally manufactured), fuming sulphuric acid, and especially pyrosulphuric acid. See under Pyrosulph…

ETHYLSULPHURIC a.

Pertaining to, or containing, ethyl and sulphuric acid. Ethylsulphuric acid (Chem.), an acid sulphate of ethyl, H.C2H5.SO4, produced as a thick liquid by the action of sulphiric acid on alcohol. It appears to be the active catalytic agent in the process of etherification.

HYDROSULPHURET n.

A hydrosulphide. [Archaic]

HYDROSULPHURETED a.

Combined with hydrogen sulphide.

HYDROSULPHURIC a.

Pertaining to, or derived from, hydrogen and sulphur; as, hydrosulphuricacid, a designation applied to the solution of hydrogen sulphide in water.

HYDROSULPHUROUS a.

Pertaining to, or designating, an acid obtained by the reduction of sulphurous acid. See Hyposulphurous acid, under Hyposulphurous.

HYPOSULPHURIC a.

Pertaining to, or containing, sulphur in a lower state of oxidation than in the sulphuric compounds; as, hyposulphuric acid. Hyposulphuric acid, an acid, H2S2O6, obtained by the action of manganese dioxide on sulphur dioxide, and known only in a watery solution and in its salts; -- called also dithionic acid. See Dithi…

HYPOSULPHUROUS a.

Pertaining to, or containing, sulphur, all, or a part, in a low state of oxidation. Hyposulphurous acid. (a) Thiosulphuric acid. [Obs.] (b) An acid, H2SO2, obtained by the reduction of sulphurous acid. It is not obtained in the free state, but in an orange-yellow water solution, which is a strong reducing and bleaching…

MONOSULPHURET n.

See Monosulphide.

OXYSULPHURET n.

An oxysulphide. [Obsolescent]

PERSULPHURET n.

A persulphide. [Obs.]

POLYSULPHURET n.

A polysulphide. [Obsoles.]

PROTOSULPHURET n.

A protosulphide. [Obs.]

PYROSULPHURIC a.

Pertaining to, or designating, an acid called also disulphuric acid) obtained by distillation of certain sulphates, as a colorless, thick, oily liquid, H2S2O7 resembling sulphuric acid. It is used in the solution of indigo, in the manufacture of alizarin, and in dehydration.

SUPERSULPHURETED a.

Supersulphurized. [Obs.] [Written also -sulphuretted.]

SUPERSULPHURIZE v.

To impregnate or combine with an excess of sulphur.

TERSULPHURET n.

A trisulphide. [R.]