Word forms: plural eucalyptuses, plural eucalyptus
variable noun [oft NOUN noun]
A eucalyptus is an evergreen tree, originally from Australia, that is grown to provide wood, gum, and an oil that is used in medicines.
eucalyptus in British English
(ˌjuːkəˈlɪptəs) or eucalypt (ˈjuːkəˌlɪpt)
nounWord forms: plural-lyptuses, -lypti (-ˈlɪptaɪ) or -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
eucalyptus in American English
(ˌjukəˈlɪptəs)
nounWord forms: pluralˌeucaˈlyptuses or ˌeucaˈlypˌti (ˌjukəˈlɪpˌtaɪ)
any of a genus (Eucalyptus) of tall, aromatic, chiefly Australian evergreen trees of the myrtle family, bearing pendent leaves and umbels of white, red, or pink flowers and valued for their timber, gum, and oil
: also ˈeucaˌlypt
Word origin
ModL < eu- + Gr kalyptos, covered (from the covering of the buds) < kalyptein, to cover, conceal