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An order of pelagic Gastropoda, having the foot developed into a median fin. Some of the species are naked; others, as Carinaria and Atlanta, have thin glassy shells.

, and were often at war with the Egyptians and Assyrians. Especially in the north they developed a considerable civilization, of which numerous monuments and inscriptions are extant. Authorities are not agreed as to their race. While several attempts have been made to decipher the Hittite characters, little progress ha…

Rays (chiefly cathode rays) developed by the electric discharge in Hittorf tubes.

The external covering or envelope of certain fruits or seeds; glume; hull; rind; in the United States, especially applied to the covering of the ears of maize.

(Phys. Geog.) The aqueous envelope of the earth, including the ocean, all lakes, streams, and underground waters, and the aqueous vapor in the atmosphere.

A process, or other element, of a vertebra developed from the ventral side of the centrum, as hæmal spines, and chevron bones. -- Hy`pa*po*phys"i*al, a.

Excessively developed; characterized by hypertrophy.

ological function of strengthening the epidermal tissue. In phanerogamous plants it is developed as collenchyma.

aving biconcave vertebræ, and sharp, conical teeth set in sockets. Its wings were well developed. It is the type of the order Odontotormæ.

The state or quality of being immature or not fully developed; unripeness; incompleteness. When the world has outgrown its intellectual immaturity. Caird.

To put within a case, envelope, or the like; to fold (a thing) within another or into the same parcel; as, to inclose a letter or a bank note. The inclosed copies of the treaty. Sir W. Temple.

Inclosed; confined. Included stamens (Bot.), such as are shorter than the floral envelopes, or are concealed within them.

, or water to a pump. -- Magnetic induction, the action by which magnetic polarity is developed in a body susceptible to magnetic effects when brought under the influence of a magnet. -- Magneto-electric induction, the influence by which a magnet excites electric currents in closed circuits. Logical induction, (Philo…

lue; very small. Infinitesimal calculus, the different and the integral calculus, when developed according to the method used by Leibnitz, who regarded the increments given to variables as infinitesimal.

An introductory step or movement; an act which originates or begins. The undeveloped initiatives of good things to come. I. Taylor.

The instrumentality of faith in justification. Bp. Burnet. The discovery of gunpowder developed the science of attack and defense in a new instrumentality. J. H. Newman.

combustion engine) in which the heat or pressure energy necessary to produce motion is developed in the engine cylinder, as by the explosion of a gas, and not in a separate chamber, as in a steam- engine boiler. The gas used may be a fixed gas, or one derived from alcohol, ether, gasoline (petrol), naphtha, oil (petrol…

That in which anything is involved, folded, or wrapped; envelope. Sir T. Browne.

Developed alike in the directions of the several lateral axes; -- said of crystals of both the tetragonal and hexagonal systems.

rating wattmeter for measuring the energy in joules expended in an electric circuit or developed by a machine.