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To lower the pitch of; to cause to sound less sharp; to let fall from the pitch. To flatten a sail (Naut.), to set it more nearly fore-and-aft of the vessel. -- Flattening oven, in glass making, a heated chamber in which split glass cylinders are flattened for window glass.

Two-edged instead of round; -- said of certain flattened stems, as those of blue grass, and rarely also of leaves.

. Astral lamp, an Argand lamp so constructed that no shadow is cast upon the table by the flattened ring-shaped reservoir in which the oil is contained. -- Astral spirits, spirits formerly supposed to live in the heavenly bodies or the aërial regions, and represented in the Middle Ages as fallen angels, spirits of the…

To flatten (metal) by hammering, so as to compress it inwardly and spread it outwardly.

Having a broad, flattened front; as, the bluff bows of a ship. "Bluff visages." Irving.

A large pear, shaped like a flattened top, used chiefly for cooking. Johnson.

Depressed; flattened. [Obs.] Though my nose be cammoused. B. Jonson

A species of the Myriapoda; esp. the large, flattened, venomous kinds of the order Chilopoda, found in tropical climates. they are many-jointed, and have a great number of feet. [Written also centipede (

ic worms (Platelminthes) of which the tapeworms are the most common examples. The body is flattened, and usually but not always long, and composed of numerous joints or segments, each of which may contain a complete set of male and female reproductive organs. They have neither mouth nor intestine. See Tapeworm. [Writte…

A leguminous plant (Lathyrus sativus), with broad flattened seeds which are sometimes used for food.

of North American Indians now living in the state of Washington, noted for the custom of flattening their skulls. Chinooks also called Flathead Indians.

aining chlorophyll, developed only in cells exposed to the light. Chloroplasts are minute flattened granules, usually occurring in great numbers in the cytoplasm near the cell wall, and consist of a colorless ground substance saturated with chlorophyll pigments. Under light of varying intensity they exhibit phototactic…

Like or related to the genus Clupeaster; -- applied to a group of flattened sea urchins, with a rosette of pores on the upper side.

Flattened to a level surface. [R.]

Flattened lengthwise. Compessed air engine, an engine operated by the elastic force of compressed air.

An apparatus for confining or flattening between glass plates an object to be examined with the microscope; -- called also compressorium.

cles are all white or colorless. -- White blood corpuscles (Physiol.), rounded, slightly flattened, nucleated cells, mainly protoplasmic in composition, and possessed of contractile power. In man, the average size is about 1/2500 of an inch, and they are present in blood in much smaller numbers than the red corpuscles…

Flattened; made level or even.

A flattened marine univalve shell of the genus Haliotis; -- called also sea-ear. See Abalone.

A genus of cactaceous plants having flattened, jointed stems, and petals united in a tube. The flowers are very showy, and several species are in cultivation.