ivory

Ivory Category:medicine
ivory


1. The hard, white, opaque, fine-grained substance constituting the tusks of the elephant. It is a variety of dentine, characterised by the minuteness and close arrangement of the tubes, as also by their double flexure. It is used in manufacturing articles of ornament or utility.

Ivory is the name commercially given not only to the substance constituting the tusks of the elephant, but also to that of the tusks of the hippopotamus and walrus, the hornlike tusk of the narwhal, etc.

2. The tusks themselves of the elephant, etc.

<zoology> Ivory gull, a white Arctic gull (Larus eburneus).

<botany> Ivory nut, any species of Eburna, a genus of marine gastropod shells, having a smooth surface, usually white with red or brown spots. Vegetable ivory, the meat of the ivory nut.

Origin: OE. Ivori, F. Ivoire, fr. L. Eboreus made of ivory, fr. Ebur, eboris, ivory, cf. Skr. Ibha elephant. Cf. Eburnean.







ivory
[Date: 1200-1300; Language: Old French; Origin: ivoire, from Latin ebor, from Egyptian ab 'elephant, ivory'
[U] the hard smooth yellowish-white substance from the tusks (=long teeth) of an elephant
::an ivory chess setrn [U] a yellowish white colourrn::an ivory silk wedding gownrn [C often plural] something made of ivory, especially a small figure of a person or animalrn::a collection of Chinese ivories



ivory
Hard white substance, a variety of dentin, that makes up the tusks of such animals as elephants, walruses, and preserved mammoths
rnIt is prized for its beauty, durability, and suitability for carving. In ancient times it was treasured as highly as gold and precious stones. Most ivory used commercially once came from Africa; sales of ivory declined in the 20th century as the populations of African elephants shrank, and worldwide concern about endangered elephant populations have led to bans on the export and import of ivory. The once-thriving markets of Europe have shifted to South Asia, where skilled artisans, often trading illegally, carve ivory into figurines and other objects.
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