散逸层

散逸層
sànyìcéng
exosphere

CEDICT

exosphere

Wiktionary

Entry Composition

1 散逸 sànyì to disperse and escape; to dissipate
2 层 céng
  1. to pile on top of one another
  2. layer; stratum
  3. floor (of a building); story
  4. (math.) sheaf
  5. classifier for layers