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An aquatic plant; an alga.

e it is impossible to have the idea of body without that of solidity. Fleming. Identical equation (Alg.), an equation which is true for all values of the algebraic symbols which enter into it.

An identical equation.

Appropriate; suitable; proper; fit; adequate. [R.] An ecclesiastical benefice . . . ought to be conferred on an idoneous person. Ayliffe.

The quality or state of being inadequate or insufficient; defectiveness; insufficiency; inadequateness. The inadequacy and consequent inefficacy of the alleged causes. Dr. T. Dwight.

The angle made by two lines or planes; as, the inclination of the plane of the earth's equator to the plane of the ecliptic is about 23º 28'; the inclination of two rays of light.

Not of equal of sufficient measure or extent; not adequate; as, our means are incommensurate to our wants.

Not competent; wanting in adequate strength, power, capacity, means, qualifications, or the like; incapable; unable; inadequate; unfit. Incompetent to perform the duties of the place. Macaulay.

In an competent manner; inadequately; unsuitably.

Wanting any of the usual floral organs; -- said of a flower. Incomplete equation (Alg.), an equation some of whose terms are wanting; or one in which the coefficient of some one or more of the powers of the unknown quantity is equal to 0.

e some artifice of analysis. Their values are subsequently determined. -- Indeterminate equation (Math.), an equation in which the unknown quantities admit of an infinite number of values, or sets of values. A group of equations is indeterminate when it contains more unknown quantities than there are equations. -- In…

Not efficacious; not having power to produce the effect desired; inadequate; incompetent; inefficient; impotent. Boyle. The authority of Parliament must become inefficacious . . . to restrain the growth of disorders. Burke.

The quality or state of being insufficient; want of sufficiency; deficiency; inadequateness; as, the insufficiency of provisions, of an excuse, etc. The insufficiency of the light of nature is, by the light of Scripture, . . . fully supplied. Hooker.

Not sufficient; not enough; inadequate to any need, use, or purpose; as, the provisions are insufficient in quantity, and defective in quality. "Insufficient for His praise." Cowper.

In an insufficient manner or degree; unadequately.

virtue of its actual condition, without any supply of energy from without. -- Intrinsic equation of a curve (Geom.), the equation which expresses the relation which the length of a curve, measured from a given point of it, to a movable point, has to the angle which the tangent to the curve at the movable point makes w…

reducible formula. Irreducible case (Alg.), a particular case in the solution of a cubic equation, in which the formula commonly employed contains an imaginary quantity, and therefore fails in its application. -- Ir`re*du"ci*ble*ness, n. -- -- Ir`re*du"ci*bly, adv.

A branch of the equatorial current of the Pacific, washing the eastern coast of Formosa and thence flowing northeastward past Japan and merging into the easterly drift of the North Pacific; -- called also Kuro-Siwo, or Black Stream, in allusion to the deep blue of its water. It is similar in may ways to the Gulf Stream…

r suitable for cutting into lacings for machine belts. -- Lace lizard (Zoöl.), a large, aquatic, Australian lizard (Hydrosaurus giganteus), allied to the monitors. -- Lace paper, paper with an openwork design in imitation of lace. -- Lace piece (Shipbuilding), the main piece of timber which supports the beak or head…

The water pepper (Polygonum Hydropiper), an aquatic plant of Europe and North America.