tropic

Etymology
From, from , from.

Noun

 * 1) Either of the two parallels of latitude 23°27′ north and south of the equator; the farthest points at which the sun can be directly overhead; the boundaries of the torrid zone or tropics.
 * 2) * 1697,, The Works of Virgil, Aeneas, Book I, lines 1062-64:
 * For since on ev'ry Sea, on ev'ry Coast,
 * Your Men have been distress'd, your Navy tost,
 * Sev'n times the Sun has either Tropick view'd,
 * The Winter banishish'd, and the Spring renew'd.
 * The Winter banishish'd, and the Spring renew'd.

Translations

 * Arabic: مَدَار
 * Armenian:
 * Basque: tropiko
 * Belarusian: тро́пік
 * Bulgarian: тропик
 * Catalan: tròpic
 * Chinese:
 * Mandarin: ,
 * Corsican: tropicu
 * Czech:
 * Danish: vendekreds
 * Dutch:
 * Esperanto: tropiko
 * Estonian: pöörijoon
 * Finnish:
 * French:
 * Galician:
 * Georgian: ტროპიკი
 * German:
 * Greek:
 * Hebrew:
 * Hungarian:
 * Ido:
 * Ingrian: troopikka
 * Irish: trópaic
 * Italian:
 * Japanese: ,
 * Korean:
 * Latvian: trops, saulgriežu loks
 * Lithuanian: atogrąža
 * Macedonian: по́вратник
 * Manx: çhyndaa ny greiney
 * Maori: takiwā pārūrū
 * Norwegian:
 * Bokmål: vendekrets
 * Nynorsk: vendekrins
 * Ottoman Turkish: مدار
 * Persian:
 * Polish:
 * Portuguese: trópico
 * Romanian:
 * Russian:
 * Serbo-Croatian:
 * Cyrillic: повратник, обратница
 * Roman: ,
 * Sicilian: tropicu
 * Slovak: obrátnik
 * Slovene:
 * Spanish:
 * Swedish:
 * Thai: เขตร้อนของโลก
 * Turkish: ,
 * Ukrainian: тро́пік
 * Vietnamese:

Adjective

 * Of, or relating to the tropics; tropical.
 * 1)  Hot and humid.
 * 2)  Having the quality of indirectly inducing a biological or chemical change in a system or substrate.
 * 3) Pertaining to, involving, or of the nature of a  or tropes.
 * 1) Pertaining to, involving, or of the nature of a  or tropes.

Usage notes
In chemical sense, not to be confused with similar-sounding – the words and concepts are unrelated.

Etymology
.