See Also: viologen(dictionary)
benzyl viologen(medicine)
hydroxycarboxylate-viologen-oxidoreductase(medicine)
NADH-methyl viologen reductase(medicine)

postcaval (iou) and viologen (iou)


postcaval (iou)



postcaval adjective. M19.
[from POST- 1 + CAVA + -AL1.]
Anatomy. postcaval vein, the inferior vena cava.

viologen (iou)



viologen noun. M20.
[from VIOLET noun + -O- + -GEN.]
Chemistry. Any of a series of salts of heteroaromatic cations of the formula (C5H4NR)22+, which are used as redox indicators.