地形学

(1)the branch of geology that studies the characteristics and configuration and evolution of rocks and land forms

(2)岩とその形態の進化、地形、特性を研究する地質学の分野

(3)the configuration of a surface and the relations among its man-made and natural features

(4)地表の外形、およびその人工的特徴と自然的特徴の関係