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A radioactive product intermediate between thorium and radiothorium, with a period of 5.5 years.

A product of metabolism; a substance produced by metabolic action, as urea.

eveloped from the ovum to the final perfected individual. Hence, metagenesis involves the production of sexual individuals by nonsexual means, either directly or through intervening sexless generations. Opposed to monogenesis. See Alternate generation, under Generation.

The production and working or manufacture of metals. [R.] R. Park.

, 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 form, as the chrysalis stage, pupa stage, etc., in insects. In these intermediate stages sexual reproduction is usually impossible, but they ultimately…

An intermediate product formed in the gastric digestion of albuminous matter.

of those chemical changes in the constituents of the plant which are not accompanied by a production of organic matter; metabolism.

. It is produced artificially, and also occurs naturally in herring brine and other fishy products. It is regarded as ammonia in which a third of its hydrogen is replaced by methyl, and is a type of the class of substituted ammonias. -- Methyl ether (Chem.), a light, volatile ether CH3.O.CH3, obtained by the etherific…

Assistance at childbirth; help or coöperation in production.

ng certain kinds of farm stock (esp. cows), and persons who make use of the meat or dairy products of infected cattle. Its chief symptoms in man are uncontrollable vomiting, obstinate constipation, pain, and muscular tremors. Its origin in cattle has been variously ascribed to the presence of certain plants in their fo…

nd affecting certain kinds of farm stock (esp. cows), and persons using the meat or dairy products of infected cattle. Its chief symptoms in man are uncontrollable vomiting, obstinate constipation, pain, and muscular tremors. Its origin in cattle has been variously ascribed to the presence of certain plants in their fo…

A common name for various machines which produce a manufactured product, or change the form of a raw material by the continuous repetition of some simple action; as, a sawmill; a stamping mill, etc.

f crackings, or of slight and partial crushings, alternately with sifting and sorting the product. -- Low milling, milling in which the reduction is effected in a single crushing or grinding. -- Milling cutter, a fluted, sharp-edged rotary cutter for dressing surfaces, as of metal, of various shapes. -- Milling mach…

an individual or part, with other parts, but commonly so as to be distinguishable in the product; to confuse; to confound. There was... fire mingled with the hail. Ex. ix. 24.

The coin, or other production, made in a mint. Stamped in clay, a heavenly mintage. Sterling.

produce motion, esp. motion about a fixed point or axis. Moment of a couple (Mech.), the product of either of its forces into the perpendicular distance between them. -- Moment of a force. (Mech.) (a) With respect to a point, the product of the intensity of the force into the perpendicular distance from the point to…

That form of reproduction which requires but one parent, as in reproduction by fission or in the formation of buds, etc., which drop off and form new individuals; asexual reproduction. Haeckel.

Of or pertaining to monogenesis; as, monogenous, or asexual, reproduction.

of trade with remote regions; a combination of traders may get a monopoly of a particular product. Raleigh held a monopoly of cards, Essex a monopoly of sweet wines. Macaulay.

uted formerly to the alchemists. [Obs.] Chaucer. Multiplication table, a table giving the product of a set of numbers multiplied in some regular way; commonly, a table giving the products of the first ten or twelve numbers multiplied successively by 1, 2, 3, etc., up to 10 or 12.