ŭl'tra-trŏp'ĭc-al, a.
a. [Prefix ultra and tropical.] Situated beyond, or outside of, the tropics; extra-tropical; also, of an excessive tropical temperature; warmer than the tropics.
a. [Prefix ultra and tropical.] Situated beyond, or outside of, the tropics; extra-tropical; also, of an excessive tropical temperature; warmer than the tropics.