Thanks for using this online dictionary, we have been helping millions of people improve their use of the english language with its free online services. English definition of valve is as below...

Labrum :: Labrum (n.) The external margin of the aperture of a shell. See Univalve.

Shipworm :: Shipworm (n.) Any long, slender, worm-shaped bivalve mollusk of Teredo and allied genera. The shipworms burrow in wood, and are destructive to wooden ships, piles of wharves, etc. See Teredo..

Conchoidal :: Conchoidal (a.) Having elevations or depressions in form like one half of a bivalve shell; -- applied principally to a surface produced by fracture.

Clack :: Clack (v. t.) Anything that causes a clacking noise, as the clapper of a mill, or a clack valve..

Oyster :: Oyster (n.) Any marine bivalve mollusk of the genus Ostrea. They are usually found adhering to rocks or other fixed objects in shallow water along the seacoasts, or in brackish water in the mouth of rivers. The common European oyster (Ostrea edulis), and the American oyster (Ostrea Virginiana), are the most important species..

Byssus :: Byssus (n.) A tuft of long, tough filaments which are formed in a groove of the foot, and issue from between the valves of certain bivalve mollusks, as the Pinna and Mytilus, by which they attach themselves to rocks, etc..

Terebratula :: Terebratula (n.) A genus of brachiopods which includes many living and some fossil species. The larger valve has a perforated beak, through which projects a short peduncle for attachment. Called also lamp shell..

Organ :: Organ (n.) A component part performing an essential office in the working of any complex machine; as, the cylinder, valves, crank, etc., are organs of the steam engine..

Hippurite :: Hippurite (n.) A fossil bivalve mollusk of the genus Hippurites, of many species, having a conical, cup-shaped under valve, with a flattish upper valve or lid. Hippurites are found only in the Cretaceous rocks..

Veneracea :: Veneracea (n. pl.) An extensive tribe of bivalve mollusks of which the genus Venus is the type. The shells are usually oval, or somewhat heartshaped, with a conspicuous lunule. See Venus..

Beard :: Beard (n.) The gills of some bivalves, as the oyster..

Seat :: Seat (n.) A part or surface on which another part or surface rests; as, a valve seat..

Tube-shell :: Tube-shell (n.) Any bivalve mollusk which secretes a shelly tube around its siphon, as the watering-shell..

Cockle :: Cockle (n.) A bivalve mollusk, with radiating ribs, of the genus Cardium, especially C. edule, used in Europe for food; -- sometimes applied to similar shells of other genera..

Unimuscular :: Unimuscular (a.) Having only one adductor muscle, and one muscular impression on each valve, as the oyster; monomyarian..

Lag :: Lag (n.) The amount of retardation of anything, as of a valve in a steam engine, in opening or closing..

Silique :: Silique (n.) An oblong or elongated seed vessel, consisting of two valves with a dissepiment between, and opening by sutures at either margin. The seeds are attached to both edges of the dissepiment, alternately upon each side of it..

Malleus :: Malleus (n.) A genus of bivalve shells; the hammer shell.

Nucula :: Nucula (n.) A genus of small marine bivalve shells, having a pearly interior..

Valve :: Valve (n.) One of the pieces or divisions of bivalve or multivalve shells.

Random Fonts

Most Popular