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eucalyptus
5 dictionary results for: Eucalyptus
Dictionary.com Unabridged (v 1.1) - Cite This Source - Share This
eu·ca·lyp·tus       [yoo-kuh-lip-tuhs] Pronunciation Key
–noun, plural -ti       [-tahy] Pronunciation Key, -tus·es.
any of numerous often tall trees belonging to the genus Eucalyptus, of the myrtle family, native to Australia and adjacent islands, having aromatic evergreen leaves that are the source of medicinal oils and heavy wood used as timber.
Also, eu·ca·lypt       [yoo-kuh-lipt] Pronunciation Key.


[Origin: 1800–10; < NL < Gk eu- eu- + kalyptós covered, wrapped, akin to kalýptein to cover]

eu·ca·lyp·tic, adjective
American Heritage Dictionary - Cite This Source - Share This
eu·ca·lyp·tus       (yōō'kə-lĭp'təs)  Pronunciation Key 


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n.   pl. eu·ca·lyp·tus·es or eu·ca·lyp·ti (-tī')
Any of numerous tall trees of the genus Eucalyptus, native to Australia and having aromatic leaves that yield an oil used medicinally and wood valued as timber.


[New Latin Eucalyptus, genus name : Greek eu-, eu- + Greek kaluptos, covered (from kaluptein, to cover; see kel-1 in Indo-European roots).]

Online Etymology Dictionary - Cite This Source - Share This
eucalyptus 
1809, from Mod.L., coined 1788 by Fr. botanist Charles Louis L'héritier de Brutelle (1746-1800) from Gk. eu- "well" + kalyptos "covered," for the covering on the bud.
"A London thief ... lodged under the bark of the dwarf eucalyptus, and keeping sheep ... is not an uninteresting picture." [Sydney Smith, "Botany Bay," 1823]

WordNet - Cite This Source - Share This
eucalyptus

noun
1. wood of any of various eucalyptus trees valued as timber 
2. a tree of the genus Eucalyptus 

Webster's Revised Unabridged Dictionary - Cite This Source - Share This

Eucalyptus

Eu`ca*lyp"tus\, n. [NL., from GR. ? well, good + ? covered. The buds of Eucalyptus have a hemispherical or conical covering, which falls off at anthesis.] (Bot.) A myrtaceous genus of trees, mostly Australian. Many of them grow to an immense height, one or two species exceeding the height even of the California Sequoia.

Note: They have rigid, entire leaves with one edge turned toward the zenith. Most of them secrete resinous gums, whence they called gum trees, and their timber is of great value. Eucalyptus Globulus is the blue gum; E. gigantea, the stringy bark: E. amygdalina, the peppermint tree. E. Gunnii, the Tasmanian cider tree, yields a refreshing drink from wounds made in the bark in the spring. Other species yield oils, tars, acids, dyes and tans. It is said that miasmatic valleys in Algeria and Portugal, and a part of the unhealthy Roman Campagna, have been made more salubrious by planting groves of these trees.

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