I·so-hy'e-tōse', a.
a. [Gr. ἴσος, equal, and ὑετός, rain.] (Phys. Geog.) An imaginary line connecting places on the earth's surface which have a mean annual quantity of rain. A. K. Johnston.
a. [Gr. ἴσος, equal, and ὑετός, rain.] (Phys. Geog.) An imaginary line connecting places on the earth's surface which have a mean annual quantity of rain. A. K. Johnston.