五環

五环
wǔhuán
  1. five rings
  2. pentacyclic (chemistry)

CEDICT

chemistry

Entry Composition

1 五 wǔ
  1. five
  2. 5
2 環 huán
  1. ring
  2. hoop
  3. loop
  4. (chain) link
  5. classifier for scores in archery etc
  6. to surround
  7. to encircle
  8. to hem in