润滑 rùnhuá to lubricate Definitions Defs Origin Strokes Stroke Words Sentences Sents 润滑 潤滑 rùnhuá to lubricate noun to apply oil, grease, or other substances to surfaces in contact to reduce friction and wear smooth oily; sleek; moist and smooth to the touch Show rare definitions Hide rare definitions Frequency Movie subtitles 0.920 per million appears in 0% of films Written text 2.70 per million Sources Frequency data SUBTLEX-CHBCC Corpus (BLCU)
润滑 潤滑 rùnhuá to lubricate noun to apply oil, grease, or other substances to surfaces in contact to reduce friction and wear smooth oily; sleek; moist and smooth to the touch Show rare definitions Hide rare definitions Frequency Movie subtitles 0.920 per million appears in 0% of films Written text 2.70 per million Sources Frequency data SUBTLEX-CHBCC Corpus (BLCU)