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ially in manual labor, and their wages, duties, and rights. The great ideas of industrial development and economic social amelioration. M. Arnold.

A growth or development inward. J. LeConte.

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

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.

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

place in the nerve and muscle. (c) (Biol.) One of those periods or resting stages in the development of the ovum, in which development is arrested prior to renewed activity.

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.]

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

e source of Evil. The Manichæans stand as representatives of dualism pushed to its utmost development. Tylor.

Brought by natural process to completeness of growth and development; fitted by growth and development for any function, action, or state, appropriate to its kind; full-grown; ripe. Now is love mature in ear. Tennison. How shall I meet, or how accost, the sage, Unskilled in speech, nor yet mature of age Pope.…

The state or quality of being mature; ripeness; full development; as, the maturity of corn or of grass; maturity of judgment; the maturity of a plan.

A larva, in a stage following the zoëa, in the development of most crabs. In this stage the legs and abdominal appendages have appeared, the abdomen is relatively long, and the eyes are large. Also used adjectively.

An indue development of dark-colored pigment in the skin or its appendages; -- the opposite of albinism.

Development of dark-pigmented tumors.

A picture produced by a process in which development after exposure may be deferred indefinitely, so as to permit transportation of exposed plates; also, the process itself.

A change in the form or function of a living organism, by a natural process of growth or development; as, the metamorphosis of the yolk into the embryo, of a tadpole into a frog, or of a bud into a blossom. Especially, that form of sexual reproduction in which an embryo undergoes a series of marked changes of external…

Orderly arrangement, elucidation, development, or classification; clear and lucid exhibition; systematic arrangement peculiar to an individual. Though this be madness, yet there's method in it. Shak. All method is a rational progress, a progress toward an end. Sir W. Hamilton.

An unnatural smallness of the eyes, occurring as the result of disease or of imperfect development.

Having only one axis; developing along a single line or plane; as, monaxial development.