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A doctrine that the genesis or production of living organisms can take place only through the agency of living germs or parents; -- opposed to abiogenesis.

magnesia. -- Bitter principles (Chem.), a class of substances, extracted from vegetable products, having strong bitter taste but with no sharply defined chemical characteristics. -- Bitter salt, Epsom salts;; magnesium sulphate. -- Bitter vetch (Bot.), a name given to two European leguminous herbs, Vicia Orobus and…

rry substance, burning with a bright flame; Jew's pitch. It occurs as an abundant natural product in many places, as on the shores of the Dead and Caspian Seas. It is used in cements, in the construction of pavements, etc. See Asphalt.

system of animals, carrying nourishment to all parts of the body, and bringing away waste products to be excreted. See under Arterial.

The flower of a plant, or the essential organs of reproduction, with their appendages; florescence; bloom; the flowers of a plant, collectively; as, the blossoms and fruit of a tree; an apple tree in blossom.

deposits its eggs or young larvæ (called flyblows and maggots) upon meat or other animal products.

reely; generously liberal; munificent; beneficent; free in bestowing gifts; as, bounteous production. But O, thou bounteous Giver of all good. Cowper. -- Boun"te*ous*ly, adv. -- Boun"te*ous*ness, n.

Destitude of branches or shoots; without any valuable product; barren; naked.

A process of asexual reproduction, in which a new organism or cell is formed by a protrusion of a portion of the animal or vegetable organism, the bud thus formed sometimes remaining attached to the parent stalk or cell, at other times becoming free; gemmation. See Hydroidea.

roperties of, by exposure to fire or heat in due degree for obtaining a desired residuum, product, or effect; to bake; as, to burn clay in making bricks or pottery; to burn wood so as to produce charcoal; to burn limestone for the lime.

The act of warming or heating; the production of heat in a body by the action of fire, or by communication of heat from other bodies.

Production of heat, esp. animal heat.

f industry, which may be directly employed either to support human beings or to assist in production. M'Culloch.

s almost the only definitely known compound in which carbon seems to be divalent. It is a product of the incomplete combustion of carbon, and is an abundant constituent of water gas. It is fatal to animal life, extinguishes combustion, and burns with a pale blue flame, forming carbon dioxide.

aining to or designating a hydroscopic monobasic acid, C10H15O5N3, obtained as a cleavage product from an acid of muscle tissue.

Productive of fruit, or causing fruit to be developed.

A soluble product (proteose) formed in the gastric and pancreatic digestion of casein and caseinogen.

aseous degeneration, a morbid process, in scrofulous or consumptive persons, in which the products of inflammation are converted into a cheesy substance which is neither absorbed nor organized.

That which is formed in a mild; esp. a reproduction or copy, as of a work of art, in bronze or plaster, etc.; a casting.

Highly carbonized iron, the direct product of the blast furnace; -- used for making castings, and for conversion into wrought iron and steel. It can not be welded or forged, is brittle, and sometimes very hard. Besides carbon, it contains sulphur, phosphorus, silica, etc.