| 表面活性剤 | [ひょうめんかっせいざい, hyoumenkasseizai] (n) (See 界面活性剤) surface-active agent; surfactant [Add to Longdo] |
| wetting agent | (n) a chemical agent capable of reducing the surface tension of a liquid in which it is dissolved, Syn. surface-active agent, wetter, surfactant |