浓积云 nóngjīyún cumulus congestus Definitions Defs Origin Strokes Stroke Words Sentences Sents 浓 濃 nóng adjective dense thick; crowded; lush; (of clouds, smoke, or foliage) having a high physical density积云 積雲 jīyún cumulus cumulus; heap cloud. A white, fluffy cloud type typical of sunny weather that can develop into 积雨云 jīyǔyún