Of or pertaining to the tropics, the equatorial region between 23 degrees north and 23 degrees south. / From or similar to a hot humid climate

A tropical plant.

(in the broad sense) a rapidly rotating storm system characterized by a low-pressure center, strong winds, and a circular/spiral arrangement of thunderstorms that produce heavy rain, ranging in increasing strength from tropical depressions and tropical storm to hurricanes.

The time that it takes for the Sun to return to the same position along the ecliptic, as viewed from the Earth, especially: / A vernal equinox year, the time between two successive vernal equinoxes.

(meteorology) organized low-pressure system of thunderclouds with closed surface circulation and maximum sustained winds of less than 34 knots (63 km) per hour.

(medicine) any infectious disease which occurs only, or more often, in tropical or subtropical regions

In a tropical manner; of the tropics. / In a metaphorical or figurative manner; as a trope.

The process of tropicalizing / (mathematics) Conversion to tropical form

To modify something (such as electronic equipment) for use in the tropics, especially by making it resistant to heat and humidity

Third-person singular simple present indicative form of tropicalize