fertile

adjective5

1. •
   Capable of reproducing; fecund, fruitful.

   • Most women at the age of fifty are not fertile.
2. •
   Capable of developing past the egg stage.
3. •
   Of land, etc.: capable of growing abundant crops; productive.

   • Taking advantage of the river's fertile floodplain, residents of the town of Skardu cultivate apricot, apple, and peach orchards in the sandy soil. — 1987
4. •
   (figurative) Of one's imagination, etc.: active, productive, prolific.
5. •
   Not itself fissile, but able to be converted into a fissile material by irradiation in a reactor.

   • There are two basic fertile materials: uranium-238 and thorium-232.