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of a drug; the specific distinction between virtue and vice. Specific difference is that primary attribute which distinguishes each species from one another. I. Watts.

An electric dynamometer having two coils so arranged that one carries the primary current, and the other the secondary current, of a transformer.

Not legitimate; bastard; as, spurious issue. "Her spurious firstborn." Milton. Spurious primary, or Spurious quill (Zoöl.), the first, or outer, primary quill when rudimentary or much reduced in size, as in certain singing birds. -- Spurious wing (Zoöl.), the bastard wing, or alula.

One of the upright pieces in a frame; one of the primary members of a frame, into which the secondary members are mortised.

One of the several primary divisions of either the animal, or vegetable kingdom, as, in zoölogy, the Vertebrata, Tunicata, Mollusca, Articulata, Molluscoidea, Echinodermata, Coelentera, and the Protozoa; in botany, the Phanerogamia, and the Cryptogamia.

huric acid, whereby the insoluble neutral calcium phosphate, Ca3(PO4)2, is changed to the primary or acid calcium phosphate Ca(H2PO4)2, which is soluble and therefore available for the soil.

sexual intercourse or by hereditary transmission, and occurring in three stages known as primary, secondary, and tertiary syphilis. See under Primary, Secondary, and Tertiary.Treponema pallidum. Usu. tretable with penicillin or other beta-lactam antibiotics.

various ways, so as to form a great number of different figures. It is now often used in primary schools as a means of instruction.

Of, pertaining to, or designating, an acid which is the primary acid amide derivative of tartaric acid.

the substitution of three atoms or radicals; as, a tertiary alcohol, amine, or salt. Cf. Primary, and Secondary. (CH3)3C.OH.

as of Venus across the sun's disk, or of a satellite or its shadow across the disk of its primary.

raphic tracing characteristic of tricrotism shows two secondary crests in addition to the primary.

Of, pertaining to, or designating, that condition of the ovum in which there are three primary germinal layers, or in which the blastoderm splits into three layers.

rentiated, U being used only as a vowel or semivowel, and V only as a consonant. The true primary vowel sound of U, in Anglo-Saxon, was the sound which it still retains in most of the languages of Europe, that of long oo, as in tool, and short oo, as in wood, answering to the French ou in tour. Etymologically U is most…

for giving rotary motion at angles less than 140º (Fig. 2). -- Universal umbel (Bot.), a primary or general umbel; the first or largest set of rays in a compound umbel; -- opposed to partial umbel. A universal involucre is not unfrequently placed at the foot of a universal umbel.

One of the primary planets. It is about 1,800,000,000 miles from the sun, about 36,000 miles in diameter, and its period of revolution round the sun is nearly 84 of our years.

ith a less tense, and more open and relaxed, condition of the mouth organs; -- opposed to primary as used by Mr. Bell, and to narrow as used by Mr. Sweet. The effect, as explained by Mr. Bell, is due to the relaxation or tension of the pharynx; as explained by Mr. Sweet and others, it is due to the action of the tongue…