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A constituent of the nuclei of all cells. It is a colorless amorphous substance, readily soluble in alkaline fluids and especially characterized by its comparatively large content of phosphorus. It also contains nitrogen and sulphur.

roup of metametric hydrocarcons (C8H18) of the methane series. The most important is a colorless, volatile, inflammable liquid, found in petroleum, and a constituent of benzene or ligroin.

A colorless liquid hydrocarbon of the octylene series, occurring in Caucasian petroleum.

etameric hydrocarbons (C8H16) of the ethylene series. In general they are combustible, colorless liquids.

The colorless porous framework, or stroma, of red blood corpuscles from which the zooid, or hemoglobin and other substances of the corpuscles, may be dissolved out.

A colorless liquid hydrocarbon, having a garlic odor; heptine.

Forming or producing an oil; specifically, designating a colorless gaseous hydrocarbon called ethylene. [Archaic]

A colorless mobile liquid of a pleasant aromatic odor obtained by the distillation of olibanum, or frankincense, and regarded as a terpene; -- called also conimene.

A colorless crystalline substance, C6H3.CH3.(OH)2, which is obtained from certain lichens (Roccella, Lecanora, etc.), also from extract of aloes, and artificially from certain derivatives of toluene. It changes readily into orcein.

That variety of xylene in which the two methyl groups are in the ortho position; a colorless, liquid, combustible hydrocarbon resembling benzene.

A colorless buttery substance obtained from the fruit of Myristica otoba, a species of nutmeg tree.

A colorless, tasteless, odorless, gaseous element occurring in the free state in the atmosphere, of which it forms about 23 per cent by weight and about 21 per cent by volume, being slightly heavier than nitrogen. Symbol O. Atomic weight 15.96.

A colorless gaseous substance (O

eas; as, the pancreatic secretion, digestion, ferments. Pancreatic juice (Physiol.), a colorless alkaline fluid secreted intermittently by the pancreatic gland. It is one of the most important of the digestive fluids, containing at least three distinct ferments, trypsin, steapsin and an amylolytic ferment, by which it…

Skilled in all kinds of work. "The panurgic Diderot." J. Morley.

A base resembling and isomeric with conine, and obtained as a colorless liquid from butyric aldehyde and ammonia.

A white waxy substance, resembling spermaceti, tasteless and odorless, and obtained from coal tar, wood tar, petroleum, etc., by distillation. It is used as an illuminant and lubricant. It is very inert, not being acted upon by most of the strong chemical reagents. It was formerly regarded as a definite compound, but i…

A hydrocarbon of the aromatic series obtained as a colorless liquid by the distillation of camphor with zinc chloride. It is one of the three metamers of xylene. Cf. Metamer, and Xylene.

Transparent and colorless rock crystal; as, Brazilian pebble; -- so called by opticians. Pebble powder, slow-burning gunpowder, in large cubical grains. -- Scotch pebble, varieties of quartz, as agate, chalcedony, etc., obtained from cavities in amygdaloid.

of the paraffin series, (C15H32) found in petroleum, tar oil, etc., and obtained as a colorless liquid; -- so called from the fifteen carbon atoms in the molecule.