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A genus of shrubs and trees, mostly American or Asiatic, abounding in resinous and aromatic substances. Styrax officinalis yields storax, and S. Benzoin yields benzoin.

the decomposition of cinnamic acid, and by the condensation of acetylene, as a fragrant, aromatic, mobile liquid; -- called also phenyl ethylene, vinyl benzene, styrol, styrene, and cinnamene.

) obtained by the oxidation of the mercaptans, or by treating sulphuric acid with certain aromatic bases (as benzene); as, phenyl sulphonic acid, C6H5.SO2.OH, a stable colorless crystalline substance. Sulphonic group (Chem.), the hypothetical radical, SO2.OH, the characteristic residue of sulphonic acids.…

wamp sassafras (Bot.), a small North American tree of the genus Magnolia (M. glauca) with aromatic leaves and fragrant creamy-white blossoms; -- called also sweet bay. -- Swamp sparrow (Zoöl.), a common North American sparrow (Melospiza Georgiana, or M. palustris), closely resembling the song sparrow. It lives in low,…

A radical, of the aromatic series, regarded as an essential ingredient of certain compounds found in the waxy resin of an Australian species of fig.

posite genus Tanacetum. The common tansy (T. vulgare) has finely divided leaves, a strong aromatic odor, and a very bitter taste. It is used for medicinal and culinary purposes.

Of, pertaining to, or designating, a dibasic acid of the aromatic series, metameric with phthalic acid, and obtained, as a tasteless white crystalline powder, by the oxidation of oil of turpentine; -- called also paraphthalic acid. Cf. Phthalic.

Any one of a series of isomeric hydrocarbons of pleasant aromatic odor, occurring especially in coniferous plants and represented by oil of turpentine, but including also certain hydrocarbons found in some essential oils.

a tube for withdrawing a sample of a liquid from a cask. -- Thieves' vinegar, a kind of aromatic vinegar for the sick room, taking its name from the story that thieves, by using it, were enabled to plunder, with impunity to health, in the great plague at London. [Eng.]

n artificial red or violet dyestuff consisting of a complex sulphur derivative of certain aromatic diamines, and obtained as a dark crystalline powder; -- called also phenylene violet.

ting as the base of a large number of substances which closely resemble the corresponding aromatic derivatives.

plant of the labiate genus Thymus. The garden thyme (Thymus vulgaris) is a warm, pungent aromatic, much used to give a relish to seasoning and soups. Ankle deep in moss and flowery thyme. Cowper. Cat thyme, a labiate plant (Teucrium Marum) of the Mediterranean religion. Cats are said to be fond of rolling on it. J. Sm…

crol, found in oil of thyme, and extracted as a white crystalline substance of a pleasant aromatic odor and strong antiseptic properties; -- called also hydroxy cymene.

A hydrocarbon, C14H10, related both to the acetylene and the aromatic series, and produced artificially as a white crystalline substance; -- called also diphenyl acetylene.

, a large tree (Myroxylon toluiferum), the wood of which is red in the center, and has an aromatic rose odor. It affords the balsam called tolu.

A hydrocarbon, C6H5.CH3, of the aromatic series, homologous with benzene, and obtained as a light mobile colorless liquid, by distilling tolu balsam, coal tar, etc.; -- called also methyl benzene, phenyl methane, etc.

The hydrocarbon radical, CH3.C6H4, regarded as characteristic of certain compounds of the aromatic series related to toluene; as, tolyl carbinol.

Of, pertaining to, or designating, a tribasic acid, C6H3.(CO2)3, of the aromatic series, obtained, by the oxidation of mesitylene, as a white crystalline substance. [Written also trimesic.]

and obtained from it indirectly. It is the base of a series of compounds analogous to the aromatic hydrocarbons.

ally from certain complex sulphonic acid derivatives of azo and diazo hydrocarbons of the aromatic series; -- so called because of the general resemblance to the shades of nasturtium (Tropæolum).