(n) genus of evergreen trees or shrubs with white funnel-shaped flowers and milky sap; tropical Africa to southeastern Asia and Polynesia, Syn.genus Alstonia
(n) evergreen tree of eastern Asia and Philippines having large leathery leaves and small green-white flowers in compact cymes; bark formerly used medicinally, Syn.Alstonia scholaris, dita bark, devil tree
The Collaborative International Dictionary of English (GCIDE) v.0.53
n. 1.1 genus of evergreen trees or shrubs with white funnel-shaped flowers and milky sap; tropical Africa to southeast Asia and Polynesia. Syn. -- genus Alstonia. [ WordNet 1.5 ]
n. [ So named after J. G. Ralston of Norristown, Penn. ] (Min.) A fluoride of alumina and soda occurring with the Greenland cryolite in octahedral crystals. [ 1913 Webster ]
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