じゅんかつゆ 潤滑油 Common word LinksSentence search for 潤滑油Sentence search for じゅんかつゆKanji details for 潤, 滑 and 油Edit in JMdict Noun1. lubricating oil; lubricant; lubeNoun2. person or thing that makes things run smoothly; facilitator Discussions Log in to talk about this word.