tropic
adjective
1. relating to or situated in or characteristic of the tropics (the region on either side of the equator)
- tropical islands
- tropical fruit
Similar word(s): equatorial, tropical
2. of weather or climate; hot and humid as in the tropics
- tropical weather
Similar word(s): hot, tropical
Sentences with tropic as an adjective:
- The binding of oxygen to hemoglobin is allosterically regulated by various tropic factors, such as BPG and acidity.
noun
1. either of two parallels of latitude about 23.5 degrees to the north and south of the equator representing the points farthest north and south at which the sun can shine directly overhead and constituting the boundaries of the Torrid Zone or tropics