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ummifer) of Western Asia, and other species of Astragalus. It comes in hard whitish or yellowish flakes or filaments, and is nearly insoluble in water, but slowly swells into a mucilaginous mass, which is used as a substitute for gum arabic in medicine and the arts. Called also gum tragacanth.

. It reaches a length of two and a half feet, is dark olive- green with small white or yellowish specks on the sides, and has yellow spines along the back, except on the neck.

eposit which accompanies scrofula or phthisis. This is composed of a hard, grayish, or yellowish, translucent or opaque matter, which gradually softens, and excites suppuration in its vicinity. It is most frequently found in the lungs, causing consumption. Tubercle bacillus (Med.), a minute vegetable organism (Bacillus…

ed as a brownish red substance, which is used as a dye; -- so called from the peculiar yellowish green fluorescence (resembling that of uranium glass) of its solutions. See Fluorescein.

A mineral occurring in yellowish, and ruby-red hexagonal crystals. It consist of lead vanadate with a small proportion of lead chloride.

A yellowish translucent substance, almost odorless and tasteless, obtained as a residue in the purification of crude petroleum, and consisting essentially of a mixture of several of the higher members of the paraffin series. It is used as an unguent, and for various purposes in the arts. See the Note under Petrolatum.…

A yellowish amorphous alkaloid extracted from the rootstock of Veratrum album.

element of which little is known. It is said by Scacchi to have been extracted from a yellowish incrustation from the cracks of a Vesuvian lava erupted in 1631.

hillas, but much larger. Its fur is soft and rather long, mottled gray above, white or yellowish white beneath. There is a white band across the muzzle, and a dark band on each cheek. It inhabits grassy plains, and is noted for its extensive burrows and for heaping up miscellaneous articles at the mouth of its burrows.…

An oxysulphide of lead occurring in implanted spherical globules of a yellowish or brownish color; -- called also voltzine.

A fluophosphate of magnesia, occurring in yellowish crystals, and also in massive forms.

s. The moth has dusky gray wings streaked with brown near the outer edge. The larva is yellowish white with brownish dots. Called also bee moth. -- Wax myrtle. (Bot.) See Bayberry. -- Wax painting, a kind of painting practiced by the ancients, under the name of encaustic. The pigments were ground with wax, and dilute…

A variety of winter apple of medium size, deep red color, and yellowish flesh of a rich, rather subacid flavor.

(b) The common American lousewort (Pedicularis Canadensis), a low perennial herb with yellowish or purplish flowers. -- Wood borer. (Zoöl.) (a) The larva of any one of numerous species of boring beetles, esp. elaters, longicorn beetles, buprestidans, and certain weevils. See Apple borer, under Apple, and Pine weevil,…

Having a yellowish or fair complexion; of or pertaining to the Xanthochroi.

Having a yellowish or fair complexion. -- n.

A skin disease marked by the development or irregular yellowish patches upon the skin, especially upon the eyelids; -- called also xanthelasma.

Yellow; specifically (Ethnol.), of or pertaining to those races of man which have yellowish, red, auburn, or brown hair.

A native phosphate of yttrium occurring in yellowish-brown tetragonal crystals.

A disease, occurring in the Antilles and in Africa, characterized by yellowish or reddish tumors, of a contagious character, which, in shape and appearance, often resemble currants, strawberries, or raspberries. There are several varieties of this disease, variously known as framboesia, pian, verrugas, and crab- yaws.…