BALSAM n.
s long supposed to be a product of Peru. -- Balsam of Tolu, a reddish or yellowish brown semisolid or solid balsam, obtained from a South American tree ( Myxoxylon toluiferum.). It is highly fragrant, and is used as a stomachic and expectorant. -- Balsam tree, any tree from which balsam is obtained, esp. the Abies ba…
BITUMEN n.
he natural hydrocarbons, including the hard, solid, brittle varieties called asphalt, the semisolid maltha and mineral tars, the oily petroleums, and even the light, volatile naphthas.
HECDECANE n.
A white, semisolid, spermaceti-like hydrocarbon, C16H34, of the paraffin series, found dissolved as an important ingredient of kerosene, and so called because each molecule has sixteen atoms of carbon; -- called also hexadecane.
PETROLATUM n.
A semisolid unctuous substance, neutral, and without taste or odor, derived from petroleum by distilling off the lighter portions and purifying the residue. It is a yellowish, fatlike mass, transparent in thin layers, and somewhat fluorescent. It is used as a bland protective dressing, and as a substitute for fatty mat…