URINARY a.
dney. -- Urinary pigments, (Physiol. Chem.), certain colored substances, urochrome, or urobilin, uroerythrin, etc., present in the urine together with indican, a colorless substance which by oxidation is convertible into colored bodies.
VALERIC a.
leric acid), C4H9CO2H, is obtained from valerian root and other sources, as a corrosive, mobile, oily liquid, having a strong acid taste, and an odor of old cheese. Active valeric acid, a metameric variety which turns the plane of polarization to the right, although formed by the oxidation of a levorotatory amyl alcoho…
WOOD n.
oal; also, lignite, or brown coal. -- Wood cricket (Zoöl.), a small European cricket (Nemobius sylvestris). -- Wood culver (Zoöl.), the wood pigeon. -- Wood cut, an engraving on wood; also, a print from such an engraving. -- Wood dove (Zoöl.), the stockdove. -- Wood drink, a decoction or infusion of medicinal wood…