/,medɪ'keɪʃn; ,mɛdɪ`keʃən/
n
1 [U] adding or giving of medicinal substances 敷药; 施药;药物治疗
*need, prescribe, administer medication 需要、医嘱、施行药物治疗.
2 [C] medicinal substance; medicine 药物; 药
*What is the best medication for this condition? 这种病用什么药最好?

n [U and C]
medicine or drugs given to people who are ill
be on medication (for sth)
　He's on medication for high blood pressure.