潤滑油 じゅんかつゆ Meanings Noun lubricating oil; lubricant; lube person or thing that makes things run smoothly; facilitator Kanji 潤 moisten. Read as ジュン. 滑 slide. Read as カツ. 油 oil. Read as ユ. Example sentences コミュニケーションは組織の潤滑油だと思います。I think the communication system is the lubricant of an organization. Jinuma: Japanese Dictionary · Word lists