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

Toluate
(Tol"u*ate) n. (Chem.) A salt of any one of the toluic acids.

Toluene
(Tol"u*ene) n. [Tolu + benzene.] (Chem.) 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.

Toluenyl
(Tol`u*e"nyl) n. [Toluene + - yl.] (Chem.) Tolyl. [Obs.]

Toluic
(To*lu"ic) a. (Chem.) Pertaining to, or designating, one of three metameric acids, CH3.C6H4.CO2H, which are related to toluene and analogous to benzoic acids. They are white crystalline substances, and are called respectively orthotoluic acid, metatoluic acid, and paratoluic acid.

Toluid
(Tol"u*id) n. (Chem.) A complex double tolyl and toluidine derivative of glycocoll, obtained as a white crystalline substance.

Toluidine
(To*lu"i*dine) n. (Chem.) Any one of three metameric amido derivatives of toluene analogous to aniline, and called respectively orthtoluidine, metatoluidine, and paratoluidine; especially, the commonest one, or paratoluidine, which is obtained as a white crystalline substance.

It is used in the aniline dye industry, and constitutes the essential nucleus or radical of those dyes.

Toluol
(Tol"u*ol, Tol"u*ole) n. [Tolu + benzol.] (Chem.) Same as Toluene.

Toluric
(To*lu"ric) a. [Toluic + uric.] (Chem.) Of, pertaining to, or designating, any one of three isomeric crystalline acids, C9H10ON.CO2H, which are toluyl derivatives of glycocoll.

Tolutation
(Tol`u*ta"tion) n. [L. tolutim on a trot, properly, lifting up the feet, akin to tollere to lift up.] A pacing or ambling. [Obs.] Sir T. Browne.

Toluyl
(Tol"u*yl) n. [Toluic + - yl.] (Chem.) Any one of the three hypothetical radicals corresponding to the three toluic acids.

Toluylene
(Tol"u*yl*ene) n. (Chem.) (a) Same as Stilbene. (b) Sometimes, but less properly, tolylene.

Tolyl
(Tol"yl) n. [Toluic + -yl.] (Chem.) The hydrocarbon radical, CH3.C6H4, regarded as characteristic of certain compounds of the aromatic series related to toluene; as, tolyl carbinol.

Tolylene
(Tol"yl*ene) n. (Chem.) A hydrocarbon radical, C6H4.(CH2)2, regarded as characteristic of certain toluene derivatives.

Tolmen
(Tol"men) n. See Dolmen.

Tolsester
(Tol"ses*ter) n. [LL. tolsestrum. Cf. Toll a tax.] (O. Eng. Law) A toll or tribute of a sextary of ale, paid to the lords of some manors by their tenants, for liberty to brew and sell ale. Cowell.

Tolsey
(Tol"sey) n. A tollbooth; also, a merchants' meeting place, or exchange. [Obs.] Halliwell.

Tolt
(Tolt) n. [LL. tolta, fr. L. tollere to take away.] (O. Eng. Law) A writ by which a cause pending in a court baron was removed into a country court. Cowell.

Toltec
(Tol"tec) n. (Ethnol.) One of a race which formerly occupied Mexico.Tol"te*can a.

Tolu
(To*lu") n. A fragrant balsam said to have been first brought from Santiago de Tolu, in New Granada. See Balsam of Tolu, under Balsam.


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