- 亚热带 yàrèdài subtropicsThe geographical region between the tropical and temperate zones, characterized by warmer temperatures than the temperate zone and more seasonal variation than the tropics; also called [[副热带|副熱帶|fu4 re4 dai4]]
- 热带雨林 rèdàiyǔlín tropical rainforestdense evergreen forest found in tropical regions with high temperatures and heavy rainfall throughout the year
- 副热带高压 fùrèdàigāoyā subtropical highsubtropical high-pressure cell or belt, typically located at about thirty degrees north and south latitude
- 热带鱼 rèdàiyú tropical fishAny species of small, brightly colored fish originating from tropical or subtropical marine or freshwater environments, often kept for display
- 副热带 fùrèdài subtropicsThe geographical areas between the tropical and temperate zones, typically between 23.5 and 40 degrees latitude; subtropical zone or climate
- 热带地区 rèdàidìqū the tropicstropical regions; the area between the Tropic of Cancer and the Tropic of Capricorn
- 热带气旋 rèdàiqìxuán tropical cycloneGeneral term for low-pressure weather systems that form over tropical or subtropical oceans, including systems categorized as tropical depressions, tropical storms, and [[台风|颱風|tai2 feng1]]
- 热带风暴 rèdàifēngbào tropical stormA type of tropical cyclone with sustained winds between level 8 and 9 on the Beaufort scale
- 热带鸟 rèdàiniǎo tropicbirdany seabird of the family Phaethontidae found in tropical oceans
- 原始热带雨林 yuánshǐrèdàiyǔlín virgin tropical rainforestvirgin tropical rainforest; primary tropical rainforest in its original and undisturbed state
- 新热带界 xīnrèdàijiè Neotropic ecozonethe Neotropic ecozone; includes South America, Central America, and the Caribbean islands
- 旧热带界 jiùrèdàijiè Afrotropical realm(biogeography) the Afrotropical realm, one of the world's major land regions for biodiversity
- 热带低压 rèdàidīyā tropical depressionA type of tropical cyclone with maximum sustained winds of 17 meters per second or less, corresponding to a wind force of 7 or lower on the Beaufort scale.
- 热带低气压 rèdàidīqìyā tropical depressiontropical weather system with low atmospheric pressure and rotating winds of low intensity