地文學 dìwénxué physical geography Origin Definitions Defs Strokes Stroke Words Sentences Sents 地 dì noun earth The earth; the ground; land; soil; fields文 wén noun phenomenon (bound form) certain natural or social phenomena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