滴石

dīshí
  1. a dripstone (geology)
  2. stalactites and stalagmites

CEDICT

geology

Entry Composition

1 滴 dī
  1. to drip
  2. to let drip; to apply (eye drops etc)
  3. (bound form) a drop (of liquid)
  4. classifier for drops of liquid
2 石 shí
  1. rock
  2. stone
  3. stone inscription
  4. one of the eight categories of ancient musical instruments 八音 bāyīn