[kwi-noi-deen, -din] /kwɪˈnɔɪ din, -dɪn/
a brownish-black, resinous substance consisting of a mixture of alkaloids, obtained as a by-product in the manufacture of and formerly used as a cheap substitute for it.
quinoidine qui·noi·dine (kwĭ-noi’dēn’, -dĭn)
A brownish-black mixture of alkaloids remaining after extraction of crystalline alkaloids from cinchona bark, used as a quinine substitute.
[kwin-awl, -ol] /ˈkwɪn ɔl, -ɒl/ noun, Chemistry. 1. . /ˈkwɪnɒl/ noun 1. another name for hydroquinone
[kwin-l-een, -in] /ˈkwɪn lˌin, -ɪn/ noun, Chemistry. 1. a colorless, liquid, water-immiscible, nitrogenous base, C 9 H 7 N, having a disagreeable odor, occurring in coal tar, and usually prepared by oxidizing a mixture of glycerol and aniline: used as a solvent and reagent and to make dyes. /ˈkwɪnəˌliːn; -lɪn/ noun 1. an oily colourless […]
/ˈkwɪnəˌləʊn/ noun 1. any of a group of synthetic antibiotics, including ciprofloxacin, that inactivate an enzyme required for the replication of certain microorganisms quinolone (kwĭn’ə-lōn’) Any of a class of synthetic antibiotics that inhibit the replication of bacterial DNA.
[kwi-nohn, kwin-ohn] /kwɪˈnoʊn, ˈkwɪn oʊn/ noun, Chemistry. 1. a yellow, crystalline, cyclic unsaturated diketone, C 6 H 4 O 2 , formed by oxidizing aniline or : used chiefly in photography and in tanning leather. 2. any of a class of compounds of this type. /kwɪˈnəʊn; ˈkwɪnəʊn/ noun 1. another name for benzoquinone quinone qui·none […]