GLYCOLIC a.
acid. Glycolic acid (Chem.), an organic acid, found naturally in unripe grapes and in the leaves of the wild grape (Ampelopsis quinquefolia), and produced artificially in many ways, as by the oxidation of glycol, -- whence its name. It is a sirupy, or white crystalline, substance, HO.CH2.CO2H, has the properties both o…
GOLD n.
, the prepared outside membrane of the large intestine of the ox, used for separating the leaves of metal during the process of gold-beating. -- Gold beetle (Zoöl.), any small gold-colored beetle of the family Chrysomelidæ; -- called also golden beetle. -- Gold blocking, printing with gold leaf, as upon a book cover,…
GOLDEN a.
unculaceous herb (Hydrastis Canadensis), with a thick knotted rootstock and large rounded leaves. -- Golden sulphide, or sulphuret, of antimony (Chem.), the pentasulphide of antimony, a golden or orange yellow powder. -- Golden warbler (Zoöl.), a common American wood warbler (Dendroica æstiva); -- called also blue-ey…