URIC a.
y or renal calculi and of the so-called gouty concretions. From acid urines, uric acid is frequently deposited, on standing in a cool place, in the form of a reddish yellow sediment, nearly always crystalline. Chemically, it is composed of carbon, hydrogen, nitrogen, and oxygen, C5H4N4O3, and by decomposition yields ur…
VAIR n.
The skin of the squirrel, much used in the fourteenth century as fur for garments, and frequently mentioned by writers of that period in describing the costly dresses of kings, nobles, and prelates. It is represented in heraldry by a series of small shields placed close together, and alternately white and blue. Fairhol…
VALLEY n.
om of the depressions intersecting a country, including usually the bed of a stream, with frequently broad alluvial plains on one or both sides of the stream. Also used figuratively. The valley of the shadow of death. Ps. xxiii. 4. Sweet interchange Of hill and valley, rivers, woods, and plains. Milton.…
ZEOLITE n.
ies occur of secondary origin in the cavities of amygdaloid, basalt, and lava, also, less frequently, in granite and gneiss. So called because many of these species intumesce before the blowpipe. Needle zeolite, needlestone; natrolite.