English
Etymology
Prefix "palaeo-" (from greek 'palaios'= "old") and "tropical" (from greek 'tropikos', referring to where the length of the day equals that of the night)
Noun
- The tropics of "the old world", the tropical areas of both Africa and Asia. Used in biology (rare), pertaining to area of geographical occurrence. Plural only.
See also
neotropics
palaeotropical
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