cuī​féi​jì

fattening agent

  1. to fatten
    To fatten livestock or poultry before slaughter by feeding them high-nutrition feed; can also refer to using fertilizer to speed up crop growth.
  2. medicinal or chemical preparation
    (bound form) A substance made by mixing ingredients for a specific medical or chemical effect, such as a lotion, catalyst, or disinfectant; often found in words like 药剂 yào​jì