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[yoo-kuh-lip-tuh s] /ˌyu kəˈlɪp təs/
noun, plural eucalypti
[yoo-kuh-lip-tahy] /ˌyu kəˈlɪp taɪ/ (Show IPA),
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, eucalypt
[yoo-kuh-lipt] /ˈyu kəˌlɪpt/ (Show IPA)
Origin of eucalyptus
1800-10; < New Latin < Greek eu- eu- + kalyptós covered, wrapped, akin to kalýptein to cover
Related forms
eucalyptic, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for eucalyptus


noun (pl) -lyptuses, -lypti (-ˈlɪptaɪ), -lypts
any myrtaceous tree of the mostly Australian genus Eucalyptus, such as the blue gum and ironbark, widely cultivated for the medicinal oil in their leaves (eucalyptus oil), timber, and ornament
Word Origin
C19: New Latin, from eu- + Greek kaluptos covered, from kaluptein to cover, hide
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Word Origin and History for eucalyptus

1809, from Modern Latin, coined 1788 by French botanist Charles Louis L'héritier de Brutelle (1746-1800) from Greek eu "well" (see eu-) + kalyptos "covered" (see Calypso); so called for the covering on the bud.

Online Etymology Dictionary, © 2010 Douglas Harper
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