| 释义 |
re·agent
\“+\ noun
Etymology: New Latin reagent-, reagens, present participle of reagere to react — more at react
1. : a substance used for various purposes (as in detecting, examining, or measuring other substances, in preparing material, in developing photographs) because it takes part in one or more chemical reactions or biological processes
2. : the subject of a psychological experiment; especially : one who reacts to a stimulus |