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g in return for another which is regarded as an equivalent; as, an exchange of cattle for grain.

by which the exhaust steam escapes. -- Exhaust purifier (Milling), a machine for sorting grains, or purifying middlings by an exhaust draught. Knight. -- Exhaust steam (Steam Engine), steam which is allowed to escape from the cylinder after having been employed to produce motion of the piston. -- Exhaust valve (Stea…

rchandise or commodities in the way of commerce; -- the opposite of import; as, to export grain, cotton, cattle, goods, etc.

The outer membrane of the grains of pollen of flowering plants.

Capable of being extracted. "Thirty grains of extractive matter." Kirwan.

An instrument for winnowing grain, by moving which the grain is tossed and agitated, and the chaff is separated and blown away.

A fine flour or meal made from cereal grains or from the starch or fecula of vegetables, extracted by various processes, and used in cookery.

To graze; to cause to be cropped by feeding, as herbage by cattle; as, if grain is too forward in autumn, feed it with sheep. Once in three years feed your mowing lands. Mortimer.

A finegrained rock, flintlike in fracture, consisting essentially of orthoclase feldspar with occasional grains of quartz.

The act of splitting timber by the felt grain.

ormed by him; a tenure where the vassal, in place of military services, makes a return in grain or in money. Burrill.

The price of grain, as legally fixed, in the counties of Scotland, for the current year.

An albuminous body, resembling animal fibrin in composition, found in cereal grains and similar seeds; vegetable fibrin. Fibrin factors (Physiol.), the albuminous bodies, paraglobulin and fibrinigen in the blood, which, by the action of the fibrin ferment, are changed into fibrin, in coagulation. -- Fibrin ferment (Ph…

Ornamental work, formerly with grains or breads, but now composed of fine wire and used chiefly in decorating gold and silver to which the wire is soldered, being arranged in designs frequently of a delicate and intricate arabesque pattern.

in a roadbed, the space between exterior and interior walls of masonry, the pores of open-grained wood, the space between the outer and inner planks of a vessel, etc.

A dry measure formerly used in Scotland; the fourth part of a boll of grain or meal. The Linlithgow wheat firlot was to the imperial bushel as 998 to 1000; the barley firlot as 1456 to 1000. Brande & C.

Capable of being split, cleft, or divided in the direction of the grain, like wood, or along natural planes of cleavage, like crystals. This crystal is a pellucid, fissile stone. Sir I. Newton.

An instrument for threshing or beating grain from the ear by hand, consisting of a wooden staff or handle, at the end of which a stouter and shorter pole or club, called a swipe, is so hung as to swing freely. His shadowy flail hath threshed the corn. Milton.

tal; esp., in mints, the ribbon from which the planchets are punched. (b) A mill in which grains of metal are flatted by steel rolls, and reduced to metallic dust, used for purposes of ornamentation.

The finely ground meal of wheat, or of any other grain; especially, the finer part of meal separated by bolting; hence, the fine and soft powder of any substance; as, flour of emery; flour of mustard. Flour bolt, in milling, a gauze-covered, revolving, cylindrical frame or reel, for sifting the flour from the refuse co…