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volatile liquid obtained by boiling sulphur with linseed oil. It has an unpleasant garlic odor.

Having, or imparting, the odor characteristic of the bouquet of wine; specifically used, formerly, to designate an acid whose ethereal salts were supposed to occasion the peculiar bouquet, or aroma, of old wine. Cf. OEnanthylic. OEnanthic acid, an acid obtained from oenanthic ether by the action of alkalies. -- OEnant…

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

The sense by which the impressions made on the olfactory organs by the odorous particles in the atmosphere are perceived.

d with epithelium innervated by the olfactory (or first cranial) nerves, and sensitive to odoriferous particles conveyed to it in the air or in water.

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.

plant of the genus Iris (I. Florentina); a kind of flower-de- luce. Its rootstock has an odor resembling that of violets. Orris pea (Med.), an issue pea made from orris root. -- Orris root, the fragrant rootstock of the orris.

gnating a complex ether, C.(OC2H5)4, which is obtained as a liquid of a pleasant ethereal odor by means of chlorpicrin, and is believed to be a derivative of the hypothetical normal carbonic acid, C.(OH)4.

A substance formerly supposed to give to soup and broth their characteristic odor, and probably consisting of one or several of the class of nitrogenous substances which are called extractives.

owerful irritant poison, violently attacking the eyes, and emitting a strong chlorinelike odor. Formerly improperly called osmic acid.

To exceed in odor. Fuller.

Covered or concealed by a different odor. Fuller.

) obtained indirectly from oxamide as a thick transparent oil which has a strong narcotic odor, and a physiological action resembling that of atropine. It is probably related to pyridine.

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 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…

power of entering, piercing, or pervading; sharp; subtile; penetrative; as, a penetrating odor.

ion. The board pennant is an oblong, nearly square flag, carried at the masthead of a commodore's vessel. "With flags and pennants trimmed." Drayton.

e given to several Australian species of gum tree (Eucalyptus amygdalina, E. piperita, E. odorata, etc.) which have hard and durable wood, and yield an essential oil.

The scent, odor, or odoriferous particles emitted from a sweet- smelling substance; a pleasant odor; fragrance; aroma. No rich perfumes refresh the fruitful field. Pope.

A semisolid unctuous substance, neutral, and without taste or odor, derived from petroleum by distilling off the lighter portions and purifying the residue. It is a yellowish, fatlike mass, transparent in thin layers, and somewhat fluorescent. It is used as a bland protective dressing, and as a substitute for fatty mat…