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A compound containing in the molecule two atoms of oxygen united with some other element or radical; -- usually called dioxide, or less frequently, binoxide.

The passage of the corpuscular elements of the blood from the blood vessels into the surrounding tissues, without rupture of the walls of the blood vessels.

rs; -- said of defective vision, in which all the compound colors are resolvable into two elements instead of three. Sir J. Herschel.

ly associated with the metal cerium; -- hence its name. It was formerly supposed to be an element, but has since been found to consist of two simpler elementary substances, neodymium and praseodymium. See Neodymium, and Praseodymium.

the food) in its passage through the alimentary canal into the nutritive and nonnutritive elements; to prepare, by the action of the digestive juices, for conversion into blood; to convert into chyme.

The theory which maintains that the primitive elements of language are reflex expressions induced by sensory impressions; that is, as stated by Max Müller, the creative faculty gave to each general conception as it thrilled for the first time through the brain a phonetic expression; -- jocosely so called from the analo…

One who directs; a director. Directer plane (Geom.), the plane to which all right-lined elements in a warped surface are parallel.

eeing; incongruous; being at variance; clashing; opposing; not harmonious. The discordant elements out of which the emperor had compounded his realm did not coalesce. Motley.

An element, atom, or radical having a valence or combining power of two.

Pertaining to the number two; of two parts or elements. Dyadic arithmetic, the same as binary arithmetic.

An element of the rare earth-group. Symbol Dy; at. wt., 162.5.

ry land. God called the dry land earth. Gen. i. 10. He is pure air and fire, and the dull elements of earth and water never appear in him. Shak.

treme adherents or disciples of Descartes and Johann Gottlieb Fichte, which finds all the elements of knowledge in the ego and the relations which it implies or provides for.

by Mendelejeff in accordance with the periodic law, and by prediction, to a hypothetical element then unknown, but since discovered and named scandium; -- so called because it was a missing analogue of the boron group. See Scandium.

The name given to a hypothetical element, -- later discovered and called gallium. See Gallium, and cf. Ekabor.

The name of a hypothetical element predicted and afterwards discovered and named germanium; -- so called because it was a missing analogue of the silicon group. See Germanium, and cf. Ekkabor.

The highest heaven, where the pure element of fire was supposed by the ancients to subsist. The empyrean rung With hallelujahs. Milton.

A ventral cartilaginous or bony element of the coracoid in the shoulder girdle of some vertebrates.

The upper and outer element of periotic bone, -- in man forming a part of the temporal bone.

An arbitrary fixed date, for which the elements used in computing the place of a planet, or other heavenly body, at any other date, are given; as, the epoch of Mars; lunar elements for the epoch March 1st, 1860.