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The plants which produce corn, when growing in the field; the stalks and ears, or the stalks, ears, and seeds, after reaping and before thrashing. In one night, ere glimpse of morn, His shadowy flail had thrashed the corn. Milton.

A weed that binds stalks of corn, as Convolvulus arvensis, Polygonum Convolvulus. [Prov. Eng.]

A machine for cutting up stalks of corn for food of cattle.

hich crowns or finishes the part to which it is affixed; as, the cornice of an order, pedestal, door, window, or house. Gwilt. Cornice ring, the ring on a cannon next behind the muzzle ring.

A bitter principle obtained from dogwood (Cornus florida), as a white crystalline substance; -- called also cornic acid.

ritating action on the body tissue. Usually it is in the form of a heavy, transparent, crystalline substance, easily soluble, and of an acrid, burning taste. It is a virulent poison, a powerful antiseptic, and an exellent antisyphilitic; called also mercuric bichloride. It is to be carefully distinguished from calomel,…

The earth alumina, as found native in a crystalline state, including sapphire, which is the fine blue variety; the oriental ruby, or red sapphire; the oriental amethyst, or purple sapphire; and adamantine spar, the hair-brown variety. It is the hardest substance found native, next to the diamond.

A flat-topped or convex cluster of flowers, each on its own footstalk, and arising from different points of a common axis, the outermost blossoms expanding first, as in the hawthorn.

A white, crystalline substance, C12H13NO3, obtained as a product of the decomposition of narcotine. It has weak basic properties, and is usually regarded as an alkaloid.

es of aromatic acids, related to cinnamic acid, the most important of which is a white crystalline substance, HO.C6H4.C2H2.CO2H, obtained from the tonka bean, sweet clover, etc., and also produced artifically.

ly Coumarouna) odorata and consisting essentially of coumarin proper, which is a white crystalline substance, C9H6O2, of vanilla- like odor, regarded as an anhydride of coumaric acid, and used in flavoring. Coumarin in also made artificially.

- Cream of tartar (Chem.), purified tartar or argol; so called because of the crust of crystals which forms on the surface of the liquor in the process of purification by recrystallization. It is a white crystalline substance, with a gritty acid taste, and is used very largely as an ingredient of baking powders; -- cal…

A white, crystalline, nitrogenous substance found abundantly in muscle tissue. [Written also kreatine.]

A white, crystalline, nitrogenous body closely related to creatin but more basic in its properties, formed from the latter by the action of acids, and occurring naturally in muscle tissue and in urine. [Written also kretinine.]

A stall for oxen or other cattle. Where no oxen are, the crib is clean. Prov. xiv. 4.

Lead chromate occuring in crystals of a bright hyacinth red color; -- called also red lead ore.

A white crystalline sugar, metameric with glucose, obtained from the coloring matter of saffron. [Written also crokose.]

A mineral consisting principally of silicate of iron, and crystallizing in hexagonal prisms with perfect basal cleavage; -- so named from the Swedish mineralogist Cronstedt.

from, a plant of the genus Croton, or from croton oil. Crotonic acid (Chem.), a white crystalline organic acid, C3H5.CO2H, of the ethylene, or acrylic acid series. It was so named because formerly supposed to exist in croton oil. Also, any acid metameric with crotonic acid proper.

ring-blooming plant (Fritillaria imperialis) of the Lily family, having at the top of the stalk a cluster of pendent bell- shaped flowers surmounted with a tuft of green leaves.