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A horizontal vane revolving over the surface of wort in a cooler, to produce a circular current in the liquor. Knight.

Flint wall, a kind of wall, common in England, on the face of which are exposed the black surfaces of broken flints set in the mortar, with quions of masonry. -- Liquor of flints, a solution of silica, or flints, in potash. -- To skin a flint, to be capable of, or guilty of, any expedient or any meanness for making m…

Anything which floats or rests on the surface of a fluid, as to sustain weight, or to indicate the height of the surface, or mark the place of, something. Specifically:

A float for indicating the height of a liquid surface.

Swimming on the surface; buoyant; light. Sir W. Raleigh.

A small lobe in the under surface of the cerebellum, near the middle peduncle; the subpeduncular lobe.

To coat with flock, as wall paper; to roughen the surface of (as glass) so as to give an appearance of being covered with fine flock.

which divides a building horizontally into stories. Floor in sense 1 is, then, the upper surface of floor in sense 2.

ine. Rankine. -- Plane, or Line, of flotation, the plane or line in which the horizontal surface of a fluid cuts a body floating in it. See Bearing, n., 9 (c). -- Surface of flotation (Shipbuilding), the imaginary surface which all the planes of flotation touch when a vessel rolls or pitches; the envelope of all such…

the substances contained in pulverized ore or the like by depositing the mixture on the surface of a flowing liquid, the substances that are quickly wet readily overcoming the surface tension of the liquid and sinking, the others flowing off in a film or slime on the surface, though, perhaps, having a greater specifi…

That property which some transparent bodies have of producing at their surface, or within their substance, light different in color from the mass of the material, as when green crystals of fluor spar afford blue reflections. It is due not to the difference in the color of a distinct surface layer, but to the power whic…

Unbroken or even in surface; on a level with the adjacent surface; forming a continuous surface; as, a flush panel; a flush joint.

A surface formed of floating threads.

The quantity of a fluid that crosses a unit area of a given surface in a unit of time.

hich are fringed with stiff bristles, and fold together when certain hairs on their upper surface are touched, thus seizing insects that light on them. The insects so caught are afterwards digested by a secretion from the upper surface of the leaves.

The white substance, consisting of an aggregation of bubbles, which is formed on the surface of liquids,or in the mouth of an animal, by violent agitation or fermentation; froth; spume; scum; as, the foam of the sea. Foam cock, in steam boilers, a cock at the water level, to blow off impurities.

Focal distance, or length,of a lens or mirror (Opt.), the distance of the focus from the surface of the lens or mirror, or more exactly, in the case of a lens, from its optical center. --Focal distance of a telescope, the distance of the image of an object from the object glass.

Blended; passing into each other by subtle gradations; -- said of colors or of the surface or material on which the colors are laid.

To represent on a plane surface, as if extended in a direction toward the spectator or nearly so; to shorten by drawing in perspective.

A small mine, in the form of a well sunk from the surface of the ground, charged with explosive and projectiles. It is made in a position likely to be occupied by the enemy.