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A yellow crystalline substance having a peculiar unpleasant odor, resembling the quinones, and obtained from beechwood tar and coal tar, as also by the oxidation of xylidine; -- called also xyloquinone.

A yellow crystalline substance, having a geraniumlike odor, regarded as a complex derivative of acetone, and obtained from certain camphor compounds.

A rare mineral occurring in tetragonal crystals of a white, yellow, or grayish color and adamantine luster. It is a chlorocarbonate of lead.

A poisonous nonmetallic element of the nitrogen group, obtained as a white, or yellowish, translucent waxy substance, having a characteristic disagreeable smell. It is very active chemically, must be preserved under water, and unites with oxygen even at ordinary temperatures, giving a faint glow, -- whence its name. It…

phenol phthaleïn. Their alkaline solutions are fluorescent. Phenol phthalein, a white or yellowish white crystalline substance made from phthalic acid and phenol. Its solution in alkalies is brilliant red, but is decolorized by acids, and as this reaction is exceedingly delicate it is used as an indicator.…

A yellowish coloring matter found in certain algæ.

A yellow coloring matter extracted from chlorophyll.

brous tropical leaves. It is delicate, soft, and transparent, with a slight tinge of pale yellow.

al pins. (b) (Fireworks) A small coil which revolves on a common pin and makes a wheel of yellow or colored fire.

brous tropical leaves. It is delicate, soft, and transparent, with a slight tinge of pale yellow.

An alloy of copper and zinc, resembling gold; a yellow metal, composed of about three ounces of zinc to a pound of copper. It is much used as an imitation of gold in the manufacture of cheap jewelry.

ine marten. (Zoöl.) (a) A European weasel (Mustela martes), called also sweet marten, and yellow-breasted marten. (b) The American sable. See Sable. -- Pine moth (Zoöl.), any one of several species of small tortricid moths of the genus Retinia, whose larvæ burrow in the ends of the branchlets of pine trees, often doin…

acid found in the products of different members of the Pepper family, and extracted as a yellowish crystalline substance.

ied genera, of the family Pipridæ. The male is usually glossy black, varied with scarlet, yellow, or sky blue. They chiefly inhabit South America.

A light yellowish green color resembling that of the pistachio nut.

. Most of the species are varied with three or more colors, such as blue, green, crimson, yellow, purple, and black. They are called also ground thrushes, and Old World ant thrushes; but they are not related to the true thrushes.

e obtained from wood tar. It consists of hydrocarbons which when oxidized form the orange-yellow eupittonic compounds, the salts of which are dark blue.

rical, slightly curved, and, when ripe, soft, fleshy, and covered with a thick but tender yellowish skin. The plantain is a staple article of food in most tropical countries, especially when cooked. Plantain cutter, or Plantain eater (Zoöl.), any one of several large African birds of the genus Musophaga, or family Muso…

ol.), one of the beds of the Eocene period; -- so called because used in making pottery. Lyell. -- Plastic element (Physiol.), one that bears within the germs of a higher form. -- Plastic exudation (Med.), an exudation thrown out upon a wounded surface and constituting the material of repair by which the process of h…

Platinum. Platina mohr, platinum black. -- Platina yellow, a pigment prepared from platinum.