湖沼学 húzhǎoxué limnology Origin Definitions Defs Strokes Stroke Words Sentences Sents 湖沼 húzhǎo lakes and marshes lakes and marshes; refers generally to various bodies of water on the ground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