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Having the same properties in all directions; specifically, equally elastic in all directions.

a region of the earth's surface which comprises most of South America, the Antilles, and tropical North America.

Turning or bending at night into special positions.

Having the longer axis vertical; -- said of erect stems. Encyc. Brit.

Same as Heliotropic.

Having the longer axis inclined away from the vertical line.

Nearly tropical.

Manifesting thermotropism.

Situated beyond, or outside of, the tropics; extratropical; also, having an excessively tropical temperature; warmer than the tropics.

A disease endemic in various parts of tropical Asia, due to a specific microörganism which produces chronic ulcers on the limbs. It is often fatal. Called also Cochin China ulcer, Persian ulcer, tropical ulcer, etc.

of the Sanseviera Guineensis, a plant found in Africa and India. -- African marigold, a tropical American plant (Tagetes erecta). -- African oak or African teak, a timber furnished by Oldfieldia Africana, used in ship building. African violet African-American, a United States citizen of African descent.…

The crab-eating raccoon (Procyon cancrivorus), found in the tropical parts of America.

ance of the consistence of wax, found floating in the Indian Ocean and other parts of the tropics, and also as a morbid secretion in the intestines of the sperm whale (Physeter macrocephalus), which is believed to be in all cases its true origin. In color it is white, ash-gray, yellow, or black, and often variegated li…

A chronic contagious affection of the skin, prevalent in the tropics.

Extending over all the zones, from the tropics to the polar zones inclusive.

The inhabitants of the tropic, whose shadows in one part of the year are cast to the north, and in the other to the south, according as the sun is south or north of their zenith.

A tropical plant (Cajanus indicus) and its edible seed, a kind of pulse; -- so called from Angola in Western Africa. Called also pigeon pea and Congo pea.

A black bird of tropical America, the West Indies and Florida (Crotophaga ani), allied to the cuckoos, and remarkable for communistic nesting.

A resin exuding from a tropical American tree (Hymenæa courbaril), and much used by varnish makers. Ure.

Anisotropic.