pyr — pyr·acanth; pyr·acan·tha; pyr·al; pyr·a·lid·i·dae; pyr·a·li·doi·dea; Pyr·a·lin; pyr·a·lis; pyr·a·loid; pyr·a·me·is; pyr·a·mid·er; pyr·a·mid·i·cal; pyr·a·mid·i·on; pyr·a·mid·ist; pyr·an·threne; pyr·ar·gy·rite; pyr·a·zin·amide; pyr·azine;… … English syllables
pyr|i|dine — «R uh deen, dihn», noun. a liquid organic base with a pungent odor, occurring especially in coal tar, and serving as the parent substance of many compounds. It is used as a solvent and waterproofing agent, and in making various drugs and vitamins … Useful english dictionary
role — az·a·role; ban·de·role; bar·ca·role; es·ca·role; fu·ma·role; fu·role; fu·sa·role; pyr·role; role; saf·role; squat·a·role; tet·ra·pyr·role; cas·se·role; pa·role; rig·ma·role; sca·role; … English syllables
pyrrole — pyr·role … English syllables
pyridine — pyr•i•dine [[t]ˈpɪr ɪˌdin, dɪn[/t]] n. chem. a colorless, flammable, liquid organic base, C5H5N, used chiefly as a solvent and in organic synthesis • Etymology: 1855; pyr or pyr (role) + idine py•rid•ic paɪˈrɪd ɪk adj … From formal English to slang
pyrrole — pyr•role [[t]pɪˈroʊl, ˈpɪr oʊl[/t]] n. chem. a colorless, toxic, liquid, five membered ring compound, C4H5N, that is a component of chlorophyll and hemin • Etymology: 1825–35; < Gk pyrr(hós) red pyr•rol•ic pɪˈrɒl ɪk, ˈroʊ lɪk adj … From formal English to slang
pyrrole — Divinylenimine; a heterocyclic compound found in many biologically important substances. SYN: azole, imidole. * * * pyr·role pi(ə)r .ōl n a toxic liquid heterocyclic compound C4H5N that has a ring consisting of four carbon atoms and one nitrogen… … Medical dictionary
tetrapyrrole — A molecule containing four pyrrole nuclei; e.g., porphyrin. * * * tet·ra·pyr·role also tet·ra·pyr·rol .te trə pi(ə)r .ōl n a chemical group consisting of four pyrrole rings joined either in a straight chain (as in phycobilins) or in a ring (as in … Medical dictionary
C4H5N — pyrrol pyr rol, pyrrole pyr role, n. [Gr. ? flame colored (from ? fire) + L. oleum oil.] (Chem.) A nitrogenous heterocyclic base found in coal tar, bone oil, and other distillates of organic substances, and also produced synthetically as a… … The Collaborative International Dictionary of English
pyrrol — pyr rol, pyrrole pyr role, n. [Gr. ? flame colored (from ? fire) + L. oleum oil.] (Chem.) A nitrogenous heterocyclic base found in coal tar, bone oil, and other distillates of organic substances, and also produced synthetically as a colorless… … The Collaborative International Dictionary of English
