Phys'i-ŏg'ra-phy, n.

noun

n. [Fr. physiographie, from Gr. φύσις, nature, and γράφειν, to write.] The science which treats, first, of the system in the earth's exterior physical features, climate, life, &c.; and secondly, of the system in the physical movements or changes on the earth's surface, as the currents of the atmosphere and ocean, the secular variations in heat, moisture, magnetism, and the like. Dana.