宇宙学 yǔzhòuxué cosmology Definitions Defs Origin Strokes Stroke Words Sentences Sents 宇宙 yǔzhòu noun universe the universe; cosmos; all existing matter and space considered as a whole学 學 xué nounaffix branch of learning (bound form) a subject or branch of study; often used as a suffix for -logy, -ics, or -science