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arine hydroids, of the genus Hydractinia and allied genera. These hydroids form, by their rootstalks, a firm, chitinous coating on shells and stones, and esp. on spiral shells occupied by hermit crabs. See Illust. of Athecata.

An alkaloid, found in the rootstock of the golden seal (Hydrastis Canadensis), and extracted as a bitter, white, crystalline substance. It is used as a tonic and febrifuge.

The rootstock or decumbent stem by which a hydroid is attached to other objects. See Illust. under Hydroidea.

Turning or bending towards moisture, as roots.

spissated juice obtained from the fruit of a plant (Cytinus hypocistis), growing from the roots of the Cistus, a small European shrub.

as neither accented constants nor arbitrarily coined pronominal words. For each idea that root is selected which is already most international, on the principle of the "greatest facility for the greatest number of people." The word "Ido" means in the language itself "offspring." The official name is: "Linguo Internacio…

g.), an algebraic expression which involves the impossible operation of taking the square root of a negative quantity; as, sq. root-9, a + b sq. root-1. -- Imaginary points, lines, surfaces, etc. (Geom.), points, lines, surfaces, etc., imagined to exist, although by reason of certain changes of a figure they have in f…

The state or quality of being immoral; vice. The root of all immorality. Sir W. Temple.

To graft by uniting, as a scion, to a stock, without separating either from its root before the union is complete; -- also called to graft by approach. P. Miler.

The figure or letter which shows the power or root of a quantity; the exponent. [In this sense the plural is always indices.] Index error, the error in the reading of a mathematical instrument arising from the zero of the index not being in complete adjustment with that of the limb, or with its theoretically perfect po…

nt of the genus Medeola (M. Virginica), a common in woods in the United States. The white rootstock has a taste like cucumbers. -- Indian currant (Bot.), a plant of the genus Symphoricarpus (S. vulgaris), bearing small red berries. -- Indian dye, the puccoon. -- Indian fig. (Bot.) (a) The banyan. See Banyan. (b) The…

e is a great truth wrapped up in "diligence," what a lie, on the other hand, lurks at the root of our present use of the word "indolence"! This is from "in" and "doleo," not to grieve; and indolence is thus a state in which we have no grief or pain; so that the word, as we now employ it, seems to affirm that indulgence…

futile; unavailing; as, an ineffectual attempt; an ineffectual expedient. Pope. The peony root has been much commended, . . . and yet has been by many found ineffectual. Boyle.

Not capable of being extirpated or rooted out; ineradicable.

To enroot or implant.

Causing insanity or madness. [R.] Or have we eaten on the insaneroot That takes the reason prisoner Shak.

Invariably attached to some word, stem, or root; as, the inseparable particle un-.

r a mixed number. Complex integer (Theory of Numbers), an expression of the form a + bsq. root-1, where a and b are real integers.

Having exponents which are radical quantities; -- said of certain powers; as, xsq. root2, or xsq. roota. Interscedent series, a series whose terms are interscendent quantities. Hutton.

A substance of very wide occurrence. It is found dissolved in the sap of the roots and rhizomes of many composite and other plants, as Inula, Helianthus, Campanula, etc., and is extracted by solution as a tasteless, white, semicrystalline substance, resembling starch, with which it is isomeric. It is intermediate in na…