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Capable of being perpetuated or continued. Varieties are perpetuable, like species. Gray.

Light blue; grayish blue; -- a term applied to different shades at different periods. -- n.

Supported by its own petiolule. Gray.

A hydrous arsenate of lime, usually occurring in silky fibers of a white or grayish color.

Of a red color with a slight mixture of gray. Dana.

ncluding the timothy (Phleum pratense), which is highly valued for hay; cat's-tail grass. Gray.

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

-- Metallic phosphorus (Chem.), an allotropic modification of phosphorus, obtained as a gray metallic crystalline substance, having very inert chemical properties. It is obtained by heating ordinary phosphorus in a closed vessel at a high temperature. -- Phosphorus disease (Med.), a disease common among workers in p…

e is more or less tinged with red. -- Pine lizard (Zoöl.), a small, very active, mottled gray lizard (Sceloporus undulatus), native of the Middle States; -- called also swift, brown scorpion, and alligator. -- Pine marten. (Zoöl.) (a) A European weasel (Mustela martes), called also sweet marten, and yellow-breasted m…

A compact granular cryptocrystalline mineral of a dull grayish or greenish white color. It is a hydrous alkaline silicate, and is derived from the alteration of other minerals, as iolite.

acuta), native of both continents. The adult male has a long, tapering tail. Called also gray duck, piketail, piket-tail, spike-tail, split-tail, springtail, sea pheasant, and gray widgeon.

A plastic, unctuous clay of a grayish white color, -- used in making tobacco pipes and various kinds of earthenware, in scouring cloth, and in cleansing soldiers' equipments.

A sulphide of lead and antimony, of a blackish lead-gray color and metallic luster.

ce of cloth, usually made of the checkered material called tartan, but sometimes of plain gray, or gray with black stripes. It is worn by both sexes in Scotland.

A natural alloy of platinum and iridium occurring in grayish metallic rounded or cubical grains with platinum.

whose specific gravities are over 21. -- Platinum sponge (Chem.), metallic platinum in a gray, porous, spongy form, obtained by reducing the double chloride of platinum and ammonium. It absorbs oxygen, hydrogen, and certain other gases, to a high degree, and is employed as an agent in oxidizing.

To walk on slowly or heavily. The ploughman homeward plods his weary way. Gray.

; the bud, or growing point, of the embryo, above the cotyledons. See Illust. of Radicle. Gray.

ndon; -- so called because it contains the tombs of Chaucer, Spenser, Dryden, Ben Jonson, Gray, Tennyson, Browning, and other English poets, and memorials to many buried elsewhere.

Drudging; servile. [Colloq.] Bred to some poking profession. Gray.