See Also: Phenanthroline(medicine)
phenanthroline(dictionary)

a priori (oh) and phenanthroline (iou)


a priori (oh)



[Date: 1600-1700; Language: Latin; Origin: 'from what came before']
using previous experiences or facts to decide what the likely result or effect of something will be
-see also a posteriori a posteriori
::a ruling made on a priori grounds

phenanthroline (iou)



phenanthroline noun. L19.
[from PHENANTHR(ENE + QUIN)OLINE.]
Chemistry. A heteroaromatic organic compound, C12H8N2, whose molecule is based on a phenanthrene ring system, used as an indicator for iron.