a.

1. 流星的
   a meteoric stone

   一块陨石

2. 流星似的；迅疾的；昙花一现的
   His meteoric rise to stardom befuddled many people.

   他快速地成为明星让不少人看了傻眼。

   a meteoric rise to fame

   迅速成名

3. 大气的；气象的
   Hail is a meteoric phenomenon.

   下冰雹是一种大气现象。

adj.

1. relating to meteors or meteorites.
2. (of change or development) very rapid.
3. Geology  relating to or denoting water derived from the atmosphere.