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The act or product of theorizing; the formation of a theory or theories; speculation.

An extinct order of reptiles found in the Permian and Triassic formations in South Africa. In some respects they resembled carnivorous mammals. Called also Theromorpha.

Passing through or to the end; hence, complete; perfect; as, a thorough reformation; thorough work; a thorough translator; a thorough poet.

The fibrin ferment which produces the formation of fibrin from fibrinogen.

icker, usu. of paper and being narrow but long. -- Stock ticker, an electro-mechanical information receiving device connected by telegraphic wire to a stock exchange, and which prints out the latest transactions or news on stock exchanges, commonly found in the offices of stock brokers. By 1980 largely superseded by e…

An extinct group of Mammalia found fossil in the Eocene formation. The species are related to the carnivores, ungulates, and rodents. Called also Tillodonta.

One who makes a practice of giving or selling tips, or private hints or information, esp. for use in gambling upon the probable outcome of events, as horse races.

An obsolete intensive prefix used in the formation of compound verbs; as in to-beat, to-break, to-hew, to-rend, to-tear. See these words in the Vocabulary. See the Note on All to, or All-to, under All, adv.

One who secretly watches race horses which are in course of training, to get information about their capabilities, for use in betting. [Cant. Eng.]

An extinct order of Mammalia found in the South American Tertiary formation. The incisor teeth were long and curved and provided with a persistent pulp. They are supposed to be related both to the rodents and ungulates. Called also Toxodontia.

The unwritten or oral delivery of information, opinions, doctrines, practices, rites, and customs, from father to son, or from ancestors to posterity; the transmission of any knowledge, opinions, or practice, from forefathers to descendants by oral communication, without written memorials.

The act of transmogrifying, or the state of being transmogrified; transformation. [Colloq.] Clive, who wrote me about the transmogrification of our schoolfellow, an attorney's son. Thackeray.

The formation situated between the Permian and Lias, and so named by the Germans, because consisting of three series of strata, which are called in German the Bunter sandstein, Muschelkalk, and Keuper.

The Triassic formation.

, or dragoons, consisting usually of about sixty men, commanded by a captain; the unit of formation of cavalry, corresponding to the company in infantry. Formerly, also, a company of horse artillery; a battery.

cial passage or archway for conducting canals or railroads under elevated ground, for the formation of roads under rivers or canals, and the construction of sewers, drains, and the like.

One of the precursors of the Reformation; -- a nickname corresponding to Lollard, etc.

One of the subdivisions into which the Upper Cretaceous formation of Europe is divided.

To be apprised, or have information, of; to learn; to be informed of; to hear; as, I understand that Congress has passed the bill.

Formation into, or multiplication of, vacuoles.