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ce from it at its aphelion. A comet commonly consists of three parts: the nucleus, the envelope, or coma, and the tail; but one or more of these parts is frequently wanting. See Illustration in Appendix.

means of a soft copper band firmly attached near its base or, formerly, by means of an envelope of soft metal. In small arms the modern projectile, having a soft core and harder jacket, is subjected to compression throughout the entire cylindrical part.

ells or individuals in some plants and lower animals, by which new spores or germs are developed.

ract, for safe keeping. Such tablets were inclosed in an outer case (often called the envelope), on which was inscribed a duplicate of the inscription on the inclosed tablet.

An envelope or covering of copper.

om the numerous seams of hornstone which characterize the later part of the period, as developed in the State of New York.

The inner envelope of a flower; the part which surrounds the organs of fructification, consisting of one or more leaves, called petals. It is usually distinguished from the calyx by the fineness of its texture and the gayness of its colors. See the Note under Blossom.

Anything which is laid, set, or spread, upon, about, or over, another thing; an envelope; a lid; as, the cover of a book.

to that early embroidery on linen and the like, from which the manufacture of lace was developed.

ithout opening, usually membranous and containing morbid matter, which is accidentally developed in one of the natural cavaties or in the substance of an organ.

A nucleated cell having an envelope or cell wall, as a red blood corpuscle or an epithelial cell; a cell concerned in growth.

ne, or iodine and bromine, on which, after exposure in the camera, the latent image is developed by the vapor of mercury.

Having the typical characters or organs in a partially developed condition, or lacking certain parts. Some families of plants are degraded dicotyledons. Dana.

The division of Cetacea in which the teeth are developed, including the sperm whale, dolphins, etc.

g; as, sunshine and rain develop the bud into a flower; to develop the mind. The sound developed itself into a real compound. J. Peile. All insects . . . acquire the jointed legs before the wings are fully developed. Owen.

Capable of being developed. J. Peile. Developable surface (Math.), a surface described by a moving right line, and such that consecutive positions of the generator intersect each other. Hence, the surface can be developed into a plane.

or disclosing that which is unknown; a gradual unfolding process by which anything is developed, as a plan or method, or an image upon a photographic plate; gradual advancement or growth through a series of progressive changes; also, the result of developing, or a developed state. A new development of imagination, tas…

ving the appearance of lacking one half; as, a dimidiate leaf, which has only one side developed.

To remove a cover or envelope from;; to set free from inclosure; to uncover. The shells being broken, . . . the stone included in them is thereby disclosed and set at liberty. Woodward.

A female deer or antelope; specifically, the female of the fallow deer, of which the male is called a buck. Also applied to the female of other animals, as the rabbit. See the Note under Buck.