探空

tànkōng
  1. (only in compounds) to carry out measurements of, in, or related to the sky
  2. to carry out measurements of, in, or related to the sky

Wiktionary

Entry Composition

1 探 tàn
  1. to explore
  2. to search out
  3. to scout
  4. to visit
  5. to stretch forward
=2 空 kōng
  1. empty
  2. air
  3. sky
  4. in vain
=2 空 kòng
  1. to empty
  2. vacant
  3. unoccupied
  4. space
  5. leisure
  6. free time
=2 空 kǒng
  1. (obsolete on its own in Standard Chinese) alternative form of 孔 (kǒng, “hole; cave; mouth”)
  2. alternative form of 孔 (kǒng, “hole; cave; mouth”)

Containing this entry

探空火箭 tànkōnghuǒjiàn