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

cy. 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.

ely simple and permanent. It is supposed to alternate with differentiation as an agent in development.

l- 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 (pet…

he whole body of the arts and sciences composes one vast machinery for the irritation and development of the human intellect. De Quincey.

An imaginary line, or a line on a chart, marking the simultaneous development of a thunderstorm, as noted by observing the time when the thunder is heard at different places.

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

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

ely become disconnected and constitute the daughter nuclei. Called also mitosis. See Cell development, under Cell.

An extensive series of strata, principally developed in the Rocky Mountain region, as in the Laramie Mountains, and formerly supposed to be of the Tertiary age, but now generally regarded as Cretaceous, or of intermediate and transitional character. It contains beds of lignite, often valuable for coal, and is hence als…

numbers in all coelenterates, and in a few animals of other groups. They are most highly developed in the tentacles of jellyfishes, hydroids, and Actiniæ. Each of these cells is filled with, fluid, and contains a long, slender, often barbed, hollow thread coiled up within it. When the cell contracts the thread is quic…

ntrivances are provided for as they arise. Burke. Latent buds (bot.), buds which remain undeveloped or dormant for a long time, but may at length grow. Latent heat (Physics), that quantity of heat which disappears or becomes concealed in a body while producing some change in it other than rise of temperature, as fusion…

ng a platform or leaf which swings vertically on hinges. -- Leaf bud (Bot.), a bud which develops into leaves or a leafy branch. -- Leaf butterfly (Zoöl.), any butterfly which, in the form and colors of its wings, resembles the leaves of plants upon which it rests; esp., butterflies of the genus Kallima, found in Sou…

The development of the surface of a body on a plane, so that the dimensions of the different sides may be easily ascertained. Gwilt. [Written also ledgement, legement, and ligement.]

in the Belgian province of Limburg (Limbourg), and usually not eaten until the curing has developed a peculiar and, to most people, unpleasant odor.

y calcining limestone or shells, the heat driving off carbon dioxide and leaving lime. It develops great heat when treated with water, forming slacked lime, and is an essential ingredient of cement, plastering, mortar, etc.CaO

at Britain, which lie at the base of the Cambrian system; -- so called, because typically developed in the Longmynd Hills, Shropshire.

uncouth refine. Pope. Luxuriant flower (Bot.), one in which the floral envelopes are overdeveloped at the expense of the essential organs.

A subdivision of decapod Crustacea, having the abdomen largely developed. It includes the lobster, prawn, shrimp, and many similar forms. Cf. Decapoda.

That branch of science which treats of the development of electricity by the action of magnets; -- the counterpart of electro- magnetism.