trop·icBrE/ˈtrɒpɪk/NAmE/ˈtrɑːpɪk/noun[C, usually sing.]oneofthetwoimaginarylinesdrawnaroundtheworld23°26′north (theTropicofCancer) orsouth (theTropicofCapricorn) oftheequator回归线(北回归线称 the Tropic of Cancer,南回归线称 the Tropic of Capricorn)the tropics[pl.]theareabetweenthetwotropics, whichisthehottestpartoftheworld热带;热带地区SYNtorrid zone
climate, earth, equator, equinox, hemisphere, International Date Line, latitude, map, planet, tropic