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valve or check valve at the lower end of a pipe; esp., such a valve in a steam-engine condenser opening to the air pump.

The name of several kinds of grass having a soft dense head of flowers, mostly the species of Alopecurus and Setaria.

An American species of rockrose (Helianthemum Canadense), sometimes used in medicine as an astringent or aromatic tonic.

a short, condensed fugue. Grove.

Exhalation; volatile matter (esp. noxious vapor or smoke) ascending in a dense body; smoke; vapor; reek; as, the fumes of tobacco. The fumes of new shorn hay. T. Warton. The fumes of undigested wine. Dryden.

Fumaria, annual herbs of the Old World, with finely dissected leaves and small flowers in dense racemes or spikes. F. officinalis is a common species, and was formerly used as an antiscorbutic. Climbing fumitory (Bot.), the Alleghany vine (Adlumia cirrhosa); a biennial climbing plant with elegant feathery leaves and la…

cylindrical rolls, from Cambodia, or Cambogia, -- whence its name. The best kind is of a dense, compact texture, and of a beatiful reddish yellow. Taking internally, it is a strong and harsh cathartic ad emetic. [Written also camboge.]

, a species of barometer for determining the relative elasticities of the vapor in the condenser of a steam engine and the air. -- Water gauge. (a) A contrivance for indicating the height of a water surface, as in a steam boiler; as by a gauge cock or glass. (b) The height of the water in the boiler. -- Wind gauge, a…

ædrys or wall germander), mintlike herbs and low shrubs. American germander, Teucrium Canadense. -- Germander chickweed, Veronica agrestis. -- Water germander, Teucrium Scordium. -- Wood germander, Teucrium Scorodonia.

wine, wine impregnated with ginger. -- Wild ginger (Bot.), an American herb (Asarum Canadense) with two reniform leaves and a long, cordlike rootstock which has a strong taste of ginger.

Gathered together in a roundish mass or dense cluster; conglomerate.

A head or dense cluster of flowers, formed by condensation of a cyme, as in the flowering dogwood.

the common cotton plant, while the long-stapled sea-island cotton is produced by G. Barbadense, a shrubby variety. There are several other kinds besides these.

inth (Bot.), a liliaceous plant (Muscari racemosum) with small blue globular flowers in a dense raceme. -- Grape fungus (Bot.), a fungus (Oidium Tuckeri) on grapevines; vine mildew. -- Grape hopper (Zoöl.), a Small yellow and red hemipterous insect, often very injurious to the leaves of the grapevine. -- Grape moth…

An Australian plant of the genus Xanthorrhoea, having a thick trunk crowned with a dense tuft of pendulous, grasslike leaves, from the center of which arises a long stem, bearing at its summit a dense flower spike looking somewhat like a large cat-tail. These plants are often called "blackboys" from the large trunks de…

Thick; dense; not attenuated; as, a gross medium.

The dense tissues which invest the teeth, and cover the adjacent parts of the jaws. Gum rash (Med.), strophulus in a teething child; red gum. -- Gum stick, a smooth hard substance for children to bite upon while teething.

A dense cluster of flowers, as in clover, daisies, thistles; a capitulum.

Covered with short, dense, grayish white hairs; canescent. Hoary bat (Zoöl.), an American bat (Atalapha cinerea), having the hair yellowish, or brown, tipped with white.

(Zoöl.), a species of grebe (Colymbus auritus), of Arctic Europe and America, having two dense tufts of feathers on the head. -- Horned horse (Zoöl.), the gnu. -- Horned lark (Zoöl.), the shore lark. -- Horned lizard (Zoöl.), the horned toad. -- Horned owl (Zoöl.), a large North American owl (Bubo Virginianus), ha…