cotton wool

Từ điển Oxford Advanced Learner 8th

ˌcotton ˈwool [cotton wool] BrE NAmE (BrE) (US (abˌsorbent) ˈcotton) noun uncountable
a soft mass of white material that is used for cleaning the skin or a wound
•cotton wool balls
See also: ↑cotton

• Từ đồng nghĩa / Synonyms:
  cotton, cotton fiber