SULPHUR n.
sulphur. It is employed chiefly in the production of sulphuric acid, and as a reagent in bleaching; -- called also sulphurous anhydride, and formerly sulphurous acid. -- Sulphur ether (Chem.), a sulphide of hydrocarbon radicals, formed like the ordinary ethers, which are oxides, but with sulphur in the place of oxyge…
SULPHURIC a.
their salts, and is used in the manufacture of hydrochloric and nitric acids, of soda, of bleaching powders, etc. It is also powerful dehydrating agent, having a strong affinity for water, and eating and corroding paper, wood, clothing, etc. It is thus used in the manufacture of ether, of imitation parchment, and of ni…
VISUAL a.
lor, contained in the retina of human eyes and in the eyes of most animals. It is quickly bleached by light, passing through the colors, red, orange, and yellow, and then disappearing. Also called rhodopsin, and vision purple. See Optography. -- Visual ray, a line from the eye, or point of sight. -- Visual white (Phy…
WHITE a. 2 definitions
e wagtail (Zoöl.), the common, or pied, wagtail. -- White wax, beeswax rendered white by bleaching. -- White whale (Zoöl.), the beluga. -- White widgeon (Zoöl.), the smew. -- White wine. any wine of a clear, transparent color, bordering on white, as Madeira, sherry, Lisbon, etc.; -- distinguished from wines of a de…