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or assuring, against loss or damage by a contingent event; a contract whereby, for a stipulated consideration, called premium, one party undertakes to indemnify or guarantee another against loss by certain specified risks. Cf. Assurance, n., 6.

Specifically, to secure against a loss by a contingent event, on certain stipulated conditions, or at a given rate or premium; to give or to take an insurance on or for; as, a merchant insures his ship or its cargo, or both, against the dangers of the sea; goods and buildings are insured against fire or water; persons…

ween the layers of a regular series of rocks. Beds of fresh-water shells . . . are intercalated and interstratified with the shale. Mantell.

Interpolated discussion or dialogue.

ns by passages having the form of a siphon, the water beginning to flow when it has accumulated so as to fill the upper part of the siphon, and ceasing when, by running through it, it has fallen below the orifice of the upper part of the siphon in the reservoir.

That may be interpolated; suitable to be interpolated. A most interpolable clause of one sentence. De Morgan.

intermission. [Obs.] Motion . . . partly continued and unintermitted, . . . partly interpolated and interrupted. Sir M. Hale.

), two points lying on a line drawn from the center of a fixed circle or sphere, and so related that the product of their distances from the center of the circle or sphere is equal to the square of the radius. -- Inverse, or Reciprocal, ratio (Math.), the ratio of the reciprocals of two quantities. -- Inverse, or Rec…

Unviolated; uninjured; undefiled; uncorrupted. For thou, be sure, shalt give account To him who sent us, whose charge is to keep This place inviolable, and these from harm. Milton.

The relation which exists between three or more sets of points, a.a', b.b', c.c', so related to a point O on the line, that the product Oa.Oa' = Ob.Ob' = Oc.Oc' is constant. Sets of lines or surfaces possessing corresponding properties may be in involution.

lement, of the halogen group, occurring always in combination, as in the iodides. When isolated it is in the form of dark gray metallic scales, resembling plumbago, soft but brittle, and emitting a chlorinelike odor. Symbol I. Atomic weight 126.5. If heated, iodine volatilizes in beautiful violet vapors.…

c (Ionidium Ipecacuanha), the bastard or wild ipecac (Asclepias Curassavica), and the undulated ipecac (Richardsonia scabra).

a dark ground, due to the fact that the portions of the retina around the image are stimulated by the intense light; as when a dark spot on a white ground appears smaller, or a white spot on a dark ground larger, than it really is, esp. when a little out of focus.

trogenous 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.

Capable of being isolated, or of being obtained in a pure state; as, gold is isolable.

ed situation; to place by itself or alone; to insulate; to separate from others. Short isolated sentences were the mode in which ancient wisdom delighted to convey its precepts. Bp. Warburton.

The act of isolating, or the state of being isolated; insulation; separation; loneliness. Milman.

An early Latin version of the Scriptures (the Old Testament was translated from the Septuagint, and was also called the Italic version).

An eruption of small, isolated, acuminated vesicles, produced by the entrance of a parasitic mite (the Sarcoptes scabei), and attended with itching. It is transmissible by contact.

Tennyson. -- Japanese ivy (Bot.), a climbing plant (Ampelopsis tricuspidata), closely related to the Virginia creeper. -- Poison ivy (Bot.), an American woody creeper (Rhus Toxicodendron), with trifoliate leaves, and greenish-white berries. It is exceedingly poisonous to the touch for most persons. -- To pipe in an…