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Free from odor.

tains 14 to 20 per cent of phosphoric acid. Called also Thomas slag, phosphatic slag, and odorless phosphate.

A tasteless and odorless crystalline substance, extracted from cloves, polymeric with common camphor.

A white, fatty, crystalline substance, tasteless and odorless, found in animal and plant products and tissue, and especially in nerve tissue, in the bile, and in gallstones.

A colorless, amorphous, nitrogenous substance, tasteless and odorless, formed from cartilaginous tissue by long-continued action of boiling water. It is similar to gelatin, and is a large ingredient of commercial gelatin.

Pertaining to, or obtained from, cinnamon. Cinnamic acid (Chem.), a white, crystalline, odorless substance. C6H5.C2H2C2H2.CO2H, formerly obtained from storax and oil of cinnamon, now made from certain benzene derivatives in large quantities, and used for the artificial production of indigo.

ouric acid; afterwards obtained from isocyanic acid. It is a white crystalline substance, odorless and almost tasteless; -- called also tricarbimide.

A translucent, gummy, amorphous substance, nearly tasteless and odorless, used as a substitute for gum, for sizing, etc., and obtained from starch by the action of heat, acids, or diastase. It is of somewhat variable composition, containing several carbohydrates which change easily to their respective varieties of suga…

An oily, viscous liquid, C3H5(OH)3, colorless and odorless, and with a hot, sweetish taste, existing in the natural fats and oils as the base, combined with various acids, as oleic, margaric, stearic, and palmitic. It is a triatomic alcohol, and hence is also called glycerol. See Note under Gelatin.…

A gaseous element, colorless, tasteless, and odorless, the lightest known substance, being fourteen and a half times lighter than air (hence its use in filling balloons), and over eleven thousand times lighter than water. It is very abundant, being an ingredient of water and of many other substances, especially those o…

hereby; sa, when a harmless snake imitates a venomous one in color and manner, or when an odorless insect imitates, in color, one having secretion offensive to birds.

toria, I. Anil, Nereum tinctorium, etc. It is a dark blue earthy substance, tasteless and odorless, with a copper-violet luster when rubbed. Indigo does not exist in the plants as such, but is obtained by decomposition of the glycoside indican.

Emitting no odor; wthout smell; scentless; odorless. -- In*o"dor*ous*ness, n.

Any of several isomeric iodine derivatives of the cresols, C6H3I(CH3)OH, esp. one, an odorless amorphous powder, used in medicine as a substitute for iodoform.

perfumery, etc. Neroli camphor (Chem.), a white crystalline waxy substance, tasteless and odorless, obtained from beroli oil; -- called also auradin.

A colorless nonmetallic element, tasteless and odorless, comprising four fifths of the atmosphere by volume. It is chemically very inert in the free state, and as such is incapable of supporting life (hence the name azote still used by French chemists); but it forms many important compounds, as ammonia, nitric acid, th…

An iodine compound obtained as a yellowish gray, odorless, tasteless powder by the action of iodine on phenolphthalein.

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…

er, a kind of gas-burner producing a rose-shaped flame. -- Rose camphor (Chem.), a solid odorless substance which separates from rose oil. -- Rose campion. (Bot.) See under Campion. -- Rose catarrh (Med.), rose cold. -- Rose chafer. (Zoöl.) (a) A common European beetle (Cetonia aurata) which is often very injurious…