Adjective:

1. before the appearance of life;

   "azoic rocks contain not organic remains"
   

Azou阿祖azoadj.含氮的n.偶氮基azotenesis氮质过多症azo-itch偶氮染料痒症azodenzene偶氮基azo yellow偶氮黄,酸性黄Azogeranin偶氮直接猩红azolactone恶唑酮Azophloxin偶氮焰红染料azoguanine偶氮鸟嘌呤azomethane偶氮甲烷azoflavinen.偶氮黄素；酸性偶氮黄

Archaeanadj.太古代的n.太古代

azoic dye不溶性偶氮染料

azoic zone无生物带

azoic period无生纪

azoic era无生代

azoic colour偶氮染料

azoic color[机] 偶氮染料

azoic system无生系

azoic group无生界,无生群