See Also: mannerless(dictionary)

phenanthroline (iou) and mannerless (iou)


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.

mannerless (iou)



mannerless adjective. L15.
[from MANNER noun1 + -LESS.]
Without manners; ill-mannered, unmannerly.
mannerlessness noun M20.