TARTARIC a.
Of or pertaining to tartar; derived from, or resembling, tartar. Tartaric acid. (a) An acid widely diffused throughout the vegetable kingdom, as in grapes, mountain-ash berries, etc., and obtained from tartar as a white crystalline substance, C2H2(OH)2.(CO2H)2, having a strong pure acid taste. It is used in medicine, i…
TELLURIC a.
Of or pertaining to tellurium; derived from, or resembling, tellurium; specifically, designating those compounds in which the element has a higher valence as contrasted with tellurous compounds; as, telluric acid, which is analogous to sulphuric acid. Telluric bismuth (Min.), tetradymite. -- Telluric silver (Min.), he…
TILL n.
, sand, and gravel, without lamination, formed in a glacier valley by means of the waters derived from the melting glaciers; -- sometimes applied to alluvium of an upper river terrace, when not laminated, and appearing as if formed in the same manner.
TITANIC a.
Of or pertaining to titanium; derived from, or containing, titanium; specifically, designating those compounds of titanium in which it has a higher valence as contrasted with the titanous compounds. Titanic acid (Chem.), a white amorphous powder, Ti.(OH)4, obtained by decomposing certain titanates; -- called also norma…
TOPIC n.
le to`poi (literally, places), as being the places or sources from which arguments may be derived, or to which they may be referred; also, a prepared form of argument, applicable to a great variety of cases, with a supply of which the ancient rhetoricians and orators provided themselves; a commonplace of argument or or…