- pyridine base
- noun
: any of several bases derived from pyridine and obtained with it as by-products of the coking process or made synthetically — compare collidine, lutidine, methylethylpyridine, picoline
Useful english dictionary. 2012.
Useful english dictionary. 2012.
pyridine nucleotide — noun : a nucleotide characterized by a pyridine derivative as a nitrogen base; especially : a dinucleotide having nicotinamide as the pyridine base and adenine as the second base compare diphosphopyridine nucleotide, flavoprotein,… … Useful english dictionary
Pyridine — Pyridine … Wikipedia
Pyridine — Structures de la pyridine Général Nom IUPAC Azine … Wikipédia en Français
Pyridine N-oxyde — Général Nom IUPAC 1 oxyde de pyridine pyridine 1 oxyde Synonymes pyridine … Wikipédia en Français
PYRIDINE — Formule brute: C5H5 Masse moléculaire: 79,00 g Point de solidification: 42 0C Point d’ébullition: 115,5 0C Densité (à 0 0C): 1,003 Liquide incolore d’odeur pénétrante caractéristique et désagréable, inflammable. Ce composé hétérocycle aromatique… … Encyclopédie Universelle
base — [ baz ] n. f. • XIIe; lat. basis, mot gr. « marche, point d appui » I ♦ A ♦ 1 ♦ Partie inférieure d un corps sur laquelle il porte, il repose. ⇒ appui (point d appui), assiette, assise, 1. dessous, fond, fondement, pied. La base de l édifice… … Encyclopédie Universelle
pyridine nucleotide — n a nucleotide characterized by a pyridine derivative as a nitrogen base esp NAD … Medical dictionary
Pyridine — Pyr i*dine, n. [From Gr. ? fire.] (Physiol. Chem.) A nitrogenous base, {C5H5N}, obtained from the distillation of bone oil or coal tar, and by the decomposition of certain alkaloids, as a colorless liquid with a peculiar pungent odor. It is the… … The Collaborative International Dictionary of English
pyridine — [pir′ə dēn΄, pir′ədin] n. [ PYR + ID + INE3] a flammable, colorless or pale yellow liquid base, C5H5N, having a sharp, penetrating odor: it is produced in the distillation of coal tar or bone oil and is used in the synthesis of vitamins and drugs … English World dictionary
pyridine — pyridic /puy rid ik/, adj. /pir i deen , din/, n. Chem. a colorless, flammable, liquid organic base, C5H5N, having a disagreeable odor, usually obtained from coal or synthesized from acetaldehyde and ammonia: used chiefly as a solvent and in… … Universalium