Chinese

		"A" (in a sequence of examples involving "A", "B", "C", etc.); 1st heavenly stem; 1st in order "A" (in a sequence of examples involving "A", "B", "C", etc.); 1st heavenly stem; 1st in order; armor	base; foundation; basic base; foundation; basic; radical (chem.)
simp. and trad. (甲基磺酰胺)		甲	基	磺酰胺

Noun

甲基磺酰胺

1. (chemistry) methanesulfonamide (CH₃SO₂NH₂)