Search the Dictionary

on certain nitrogenous derivatives of quinone. Simple indophenol proper has not yet been isolated.

Standing by itself; not being contiguous to other bodies; separated; unconnected; isolated; as, an insulated house or column. The special and insulated situation of the Jews. De Quincey.

c element, 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.…

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

ached 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 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.

A permanent colony of cells or plastids which may remain isolated, like Rotifer, or may multiply by gemmation to form higher aggregates, termed zoides. Perrier.

One of a class of independent, isolated cells found in the mesoderm, while the germ layers are undergoing differentiation.

A fever accompanied by an eruption of small, isolated, red pimples, resembling a millet seed in form or size; miliary fever.

A mineral occurring usually in small isolated crystals, -- phosphate of the cerium metals.

rampart; also, a natural elevation appearing as if thrown up artificially; a regular and isolated hill, hillock, or knoll. To thrid the thickets or to leap the mounds. Dryden. Mound bird. (Zoöl.) Same as Mound maker (below). -- Mound builders (Ethnol.), the tribe, or tribes, of North American aborigines who built, in…

k, rising above the common level of the earth or adjacent land; earth and rock forming an isolated peak or a ridge; an eminence higher than a hill; a mount.

An aggregated mass of any ore or mineral, in an isolated state, within a rock.

hill, mountain, or range, ending in a point; often, the whole hill or mountain, esp. when isolated; as, the Peak of Teneriffe. Silent upon a peak in Darien. Keats.

llic element. It occurs quite widely, but in small quantities, and always combined. It is isolated as a soft yellowish white metal, analogous to potassium in most of its properties. Symbol Rb. Atomic weight, 85.2.

A rare element of the light platinum group, found associated with platinum ores, and isolated as a hard, brittle steel-gray metal which is very infusible. Symbol Ru. Atomic weight 103.5. Specific gravity 12.26. See Platinum metals, under Platinum.

ysis in certain rare Scandinavian minerals (euxenite and gadolinite). It has not yet been isolated. Symbol Sc. Atomic weight 44

An isolated or protruding rock; a steep, rocky eminence; a bare place on the side of a mountain or steep bank of earth. [Written also scaur.] O sweet and far, from cliff and scar, The horns of Elfland faintly blowing. Tennyson.

anic acid, as a white crystalline substance, having a hot, bitter taste. When sinapine is isolated it is unstable and undergoes decomposition.