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duals; hence, the ideal representation of a species, genus, or other group, combining the essential characteristics; an animal or plant possessing or exemplifying the essential characteristics of a species, genus, or other group. Also, a group or division of animals having a certain typical or characteristic structure…

phus; as, typhoid symptoms. Typhoid fever, a disease formerly confounded with typhus, but essentially different from the latter. It is characterized by fever, lasting usually three or more weeks, diarrhæa with evacuations resembling pea soup in appearance, and prostration and muscular debility, gradually increasing and…

Combining or exhibiting the essential characteristics of a group; as, a typical genus. -- Typ"ic*al*ly, adv. -- Typ"ic*al*ness, n.

One of a sect of rigid Anabaptists, which originated in 1637, and whose tenets were essentially the same as those of the Mennonists. In addition, however, they held that Judas and the murderers of Christ were saved. So called from the founder of the sect, Ucke Wallis, a native of Friesland. Eadie.

esignating, the view or doctrine that existing causes, acting in the same manner and with essentially the same intensity as at the present time, are sufficient to account for all geological changes.

A yellow, earthy incrustation, consisting essentially of the oxide of uranium, but more or less impure.

The hypothetical radical C5H9O, regarded as the essential nucleus of certain valeric acid derivatives.

of key; the presentation of a musical thought in new and varied aspects, yet so that the essential features of the original shall still preserve their identity.

Consisting of, or containing, vessels as an essential part of a structure; full of vessels; specifically (Bot.), pertaining to, or containing, special ducts, or tubes, for the circulation of sap.

d tasteless, obtained as a residue in the purification of crude petroleum, and consisting essentially of a mixture of several of the higher members of the paraffin series. It is used as an unguent, and for various purposes in the arts. See the Note under Petrolatum. [Written also vaselin.]

ed as a pigment and drug, obtained by the action of acetic acid on copper, and consisting essentially of a complex mixture of several basic copper acetates.

A mineral water found at Vichy, France. It is essentially an effervescent solution of sodium, calcium, and magnetism carbonates, with sodium and potassium chlorides; also, by extension, any artificial or natural water resembling in composition the Vichy water proper. Called also, colloquially, Vichy.…

om the mucilaginous sap of the mistletoe (Viscum album), holly, etc., and constituting an essential ingredient of birdlime.

Very necessary; highly important; essential. A competence is vital to content. Young.

Fig.: The part essential to the life or health of anything; as, the vitals of a state. "The vitals of the public body." Glanvill.

alled from the readiness with which the latter evaporates. -- Volatile oils. (Chem.) See Essential oils, under Essential.

An instrument consisting essentially of a glass tube provided with a graduated scale, for exhibiting to the eye the changes of volume of a gas or gaseous mixture resulting from chemical action, and the like.

strength; not wielding or having authority or energy; deficient in the resources that are essential to a ruler or nation; as, a weak monarch; a weak government or state. I must make fair weather yet awhile, Till Henry be more weak, and I more strong. Shak.

The state or condition of being well; welfare; happiness; prosperity; as, virtue is essential to the well-being of men or of society.

operating through a relay the ordinary telegraphic receiver. This apparatus contains the essential features of all the systems now in use. -- Wireless telephone, an apparatus or contrivance for wireless telephony. --Wireless telephony, telephony without wires, usually employing electric waves of high frequency emitted…