TAR n.
nd old tarred rope. Knight. -- Tar water. (a) A cold infusion of tar in water, used as a medicine. (b) The ammoniacal water of gas works. -- Wood tar, tar obtained from wood. It is usually obtained by the distillation of the wood of the pine, spruce, or fir, and is used in varnishes, cements, and to render ropes, oak…
TARTARIC a.
crystalline substance, C2H2(OH)2.(CO2H)2, having a strong pure acid taste. It is used in medicine, in dyeing, calico printing, photography, etc., and also as a substitute for lemon juice. Called also dextro-tartaric acid. (b) By extension, any one of the series of isomeric acids (racemic acid, levotartaric acid, inact…