OSMIC a.
substance, OsO4, the most stable and characteristic of the compounds of osmium. It has a burning taste, and gives off a vapor, which is a powerful irritant poison, violently attacking the eyes, and emitting a strong chlorinelike odor. Formerly improperly called osmic acid.
PARROT n.
arrot coal, cannel coal; -- so called from the crackling and chattering sound it makes in burning. [Eng. & Scot.] -- Parrot green. (Chem.) See Scheele's green, under Green, n. -- Parrot weed (Bot.), a suffrutescent plant (Bocconia frutescens) of the Poppy family, native of the warmer parts of America. It has very larg…
PEBBLE n.
orless rock crystal; as, Brazilian pebble; -- so called by opticians. Pebble powder, slow-burning gunpowder, in large cubical grains. -- Scotch pebble, varieties of quartz, as agate, chalcedony, etc., obtained from cavities in amygdaloid.
PRINTING n.
ed of lampblack or ivory black mingled with linseed or nut oil, made thick by boiling and burning. Other ingredients are employed for the finer qualities. Ure. -- Printing office, a place where books, pamphlets, or newspapers, etc., are printed. -- Printing paper, paper used in the printing of books, pamphlets, newsp…
QUENCH v.
To extinguish; to overwhelm; to make an end of; -- said of flame and fire, of things burning, and figuratively of sensations and emotions; as, to quench flame; to quench a candle; to quench thirst, love, hate, etc. Ere our blood shall quench that fire. Shak. The supposition of the lady's death Will quench the wonder of…