/ˈkemɪkl ||; ˈkɛmɪkḷ/adj connected with chemistry; involving changes to the structure of a substance 化学的: a chemical reaction化学反应 ➔chemically /-kli ||; -klɪ/ adv
*chemical²
/ˈkemɪkl ||; ˈkɛmɪkḷ/noun [C] a substance that is used or produced in a chemical process 化学品: Sulphuric acid is a dangerous chemical.硫酸是一种危险的化学品。chemical weapons/warfare化学武器；化学战