tropics is a form of:

Tropic



noun
1.
(A line of latitude 23 27 north of the equator (tropic of Cancer) or the same latitude south of it (tropic of Capricorn), tropics, the region between these, with a hot climate) តំបន់ត្រូពិក, តំបន់និវត្ដន៍ (ឧណ្ហប្រទេស, ប្រទេសក្ដៅ), តំបន់ដែលមានសីតុណ្ហភាពខ្ពស់ (ក្ដៅ), pl. the tropics តំបន់នៅចន្លោះនិវត្ដន៍ទាំងពីរ
2.
(បច្ចេកទេស) ត្រូពិច, និវត្តន៍
Example: the tropic of cancer, the tropic of capricorn
ឧទាហរណ៍៖ កក្កដនិវត្តន៍, មករនិវត្តន៍
adjective
1.
(of or relating to the tropics [Tropic of Cancer] [Tropic of Capricorn], he tropics) ដែលក្ដៅ
ENGLISH MEANING
noun
1.
One of the two small circles of the celestial sphere, situated on each side of the equator, at a distance of 23 28/, and parallel to it, which the sun just reaches at its greatest declination north or south, and from which it turns again toward the equator, the northern circle being called the Tropic of Cancer, and the southern the Tropic of Capricorn, from the names of the two signs at which they touch the ecliptic.
2.
One of the two parallels of terrestrial latitude corresponding to the celestial tropics, and called by the same names.
3.
The region lying between these parallels of latitude, or near them on either side.
adjective
1.
Of, pertaining to, or designating, an acid obtained from atropine and certain other alkaloids, as a white crystalline substance slightly soluble in water.
2.
Of or pertaining to the tropics; tropical.