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person singular of the substantive verb be, in the indicative mood, present tense; as, he is; he is a man. See Be.

A contraction of is it.

. See Iso-.

See Isabella.

A favorite sweet American grape of a purple color. See Fox grape, under Fox.

A common American moth (Pyrrharctia isabella), of an isabella color. The larva, called woolly bear and hedgehog caterpillar, is densely covered with hairs, which are black at each end of the body, and red in the middle part.

A brownish yellow color.

Of an isabel or isabella color.

Containing the same information, as isagelous sentences. The coded message and the original, though appearing entirely unlike, are completely isagelous. Bacon The complementary strands have isagelous sequences. J. D. Watson. -- Isagel I*sag"e*lous (i*sâg"ê*lûs), a. Etym: [Is- + Gr. a`gelos information.]…

An introduction. [Obs.] Harris.

Introductory; especially, introductory to the study of theology.

That part of theological science directly preliminary to actual exegesis, or interpretation of the Scriptures.

A figure or polygon whose angles are equal.

Having equal, or almost equal, authority with the apostles of their teachings.

Pertaining to, or derived from, isatin; as, isatic acid, which is also called trioxindol.

A white crystalline substance obtained by the partial reduction of isatin. [Written also isatyde.]

n orange-red crystalline substance, C8H5NO2, obtained by the oxidation of indigo blue. It is also produced from certain derivatives of benzoic acid, and is one important source of artificial indigo. [Written also, less properly, isatine.]

A genus of herbs, some species of which, especially the Isatis tinctoria, yield a blue dye similar to indigo; woad.

radical, C8H4NO2, regarded as the essential residue of a series of compounds, related to isatin, which easily pass by reduction to indigo blue. -- I*sat`o*gen"ic, a.

Pertaining to, or designating, an acid obtained from atropine, and isomeric with cinnamic acid.