parent substance
41Malaysia — /meuh lay zheuh, sheuh/, n. 1. a constitutional monarchy in SE Asia: a federation, comprising the former British territories of Malaya, Sabah, and Sarawak: member of the Commonwealth of Nations. 20,376,235; 126,310 sq. mi. (327,143 sq. km). Cap …
42silicic acid — Chem. any of certain amorphous gelatinous masses, formed when alkaline silicates are treated with acids, which dissociate readily into silica and water. [1810 20] * * * ▪ chemical compound a compound of silicon, oxygen, and hydrogen,… …
43Aniline — A chemical compound implicated, along with o toluidine, in the causation of bladder cancer. Aniline and o toluidine, both aromatic amines, are used in the manufacture of a variety of dyes, pharmaceuticals, pesticides, and chemicals employed in… …
44lycopene — Ψ,Ψ Carotene; the characteristic red pigment of the tomato that may be considered chemically as the parent substance from which all natural carotenoid pigments are derived; an unsaturated hydrocarbon made up of eight isoprene units, two of them… …
45orcinol — 3,5 Dihydroxytoluene; the parent substance of the natural dye orcein, obtained from certain colorless lichens (Lecanora tinctoria, Rocella tinctoria) by treatment with boiling water; used as an external antiseptic in various skin diseases and in… …
46stigmastane — The parent substance of sitosterol. SYN: sitostane …
47azobenzene — azo·ben·zene (az″o benґzēn) [azo + benzene] an orange red crystalline product, of the reduction of nitrobenzene; it is the parent substance of azo dyes and some pH indicators and is carcinogenic. Called also diphenyldiimide …
48flavone — fla•vone [[t]ˈfleɪ voʊn[/t]] n. 1) chem. a colorless, crystalline, water insoluble compound, C15H10O2, the parent substance of a group of yellow pigments 2) chem. any derivative of this compound • Etymology: < G Flavon (1895) < Lflāvus …
49flavone — /ˈfleɪvoʊn/ (say flayvohn) noun 1. an aromatic heterocyclic ketone, C15H10O2, the parent substance of various natural pigments. 2. a derivative of this compound; flavonoid …
50purine — /ˈpjurin/ (say pyoohreen), / raɪn/ (say ruyn) noun a bicyclic heterocyclic compound, C5H4N4, the parent substance of a group of compounds including uric acid, xanthine, caffeine, etc. Also, purin /ˈpjurən/ (say pyoohruhn). {blend of pure and… …
