周期系 zhōu qī xì

periodic system; periodicity (chemistry)

Word data

HSK Not in HSK
Frequency Unknown

Definitions

  1. 1. periodic system
  2. 2. periodicity (chemistry)

Characters

Character Meaning
周 zhōu HSK 3
week; all; complete
期 qī HSK 1
term; a period of time; period
系 xì HSK 1
department; faculty; system