氨吖啶 ān'ādìng aminoacridine Origin Definitions Defs Strokes Stroke Words Sentences Sents 氨 ān noun ammonia Chemical compound of nitrogen and hydrogen that is a colorless gas with a pungent smell; commonly used in fertilizers and refrigerants.吖啶 ādìng acridine acridine; an organic compound used as an antiseptic and disinfectant