views updated May 17 2018

mac·a·da·mi·a / ˌmakəˈdāmēə/ • n. an Australian tree (genus Macadamia, family Proteaceae) with glossy evergreen leaves and globular edible nuts. Several species include M. integrifolia and M. tetraphylla, cultivated for their nuts. ∎  (also macadamia nut) the edible nut of this tree.


views updated May 21 2018

Macadamia (family Proteaceae) A genus of shrubs and trees that yield oily, edible seeds. There are 9 species. One is found in Madagascar, 1 in Celebes, 3 in New Caledonia, and 5 in Australia. M. integrifolia and M. tetraphylla are cultivated, providing the delicious Queensland nut, or macadamia.


views updated May 23 2018

macadamia Genus of Australian trees of the family Proteaceae. Most species have stiff, oblong, lance-like leaves. The edible seeds are round, hard-shelled nuts, covered by thick husks that split when ripe. Height: to 18m (60ft).

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