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Of, pertaining to, or derived from, thiophene; specifically, designating a certain acid analogous to benzoic acid.

A colorless mobile liquid, C6H5.SH, of an offensive odor, and analogous to phenol; -- called also phenyl sulphydrate.

A double thiophene nucleus, C6H4S2, analogous to thionaphthene, and the base of a large series of compounds. [Written also thiophtene.]

Of, pertaining to, or designating, an unstable acid, H2S2O3, analogous to sulphuric acid, and formerly called hyposulphurous acid.

A colorless oily liquid, C4H3S.CH3, analogous to, and resembling, toluene; -- called also methyl thiophene.

Of or pertaining to the thorax, or chest. Thoracic duct (Anat.), the great trunk of the lymphatic vessels, situated on the ventral side of the vertebral column in the thorax and abdomen. See Illust. of Lacteal.

goid fish (Caranx gallus, or C. crinitus) having the anterior rays of the soft dorsal and anal fins prolonged in the form of long threads.

-- Throat halyards (Naut.), halyards that raise the throat of the gaff. -- Throat pipe (Anat.), the windpipe, or trachea. -- To give one the lie in his throat, to accuse one pointedly of lying abominably. -- To lie in one's throat, to lie flatly or abominably.

A compound of thymol analogous to a salt; as, sodium thymate.

A combining form used in anatomy to indicate connection with, or relation to, the thyroid body or the thyroid cartilage; as, thyrohyal.

ery; thyroideal. Thyroid cartilage. See under Larynx. -- Thyroid body, or Thyroid gland (Anat.), a glandlike but ductless body, or pair of bodies, of unknown function, in the floor of the mouth or the region of the larynx. In man and most mammals it is a highly vascular organ, partly surrounding the base of the larynx…

A combining form used in anatomy to indicate connection with, or relation to, the tibia; as, tibiotarsus, tibiofibular.

To analyse, or determine the strength of, by means of standard solutions. Cf. Standardized solution, under Solution.

Standardized; determined or analyzed by titration; as, titrated solutions.

esignating, 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.

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.

ubstance, especially when so small that the amount is not quantitatively determined in an analysis;-hence, in stating an analysis, often contracted to tr.

y the registration acts, but a qualified common-law protection against its misuse exists, analogous to that existing in the case of trade-marks.

Of or pertaining to the tricuspid valves; as, tricuspid obstruction. Tricuspid valve (Anat.), the valve, consisting of three triangular membranous flaps, at the opening of the right auricle into the right ventricle in the heart of most mammals; -- sometimes called the tricuspid valves, each flap being regarded as a val…

A tertiary amine analogous to trimethylamine.