betulaceous

[bech-oo-ley-shuhs]

adjective

belonging to the Betulaceae, the birch family of plants.

Compare birch family.

Origin:
< Latin betul(a) birch + -aceous

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Based on the Random House Dictionary, © Random House, Inc. 2012.
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Betulaceous is always a great word to know.

So is bezoar. Does it mean:

the offspring of a zebra and a donkey.

a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison.

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Collins

World English Dictionary

betulaceous (ˌbɛtjʊˈleɪʃəs)

—*adj*
	of, relating to, or belonging to the Betulaceae, a family of mostly N temperate catkin-bearing trees and shrubs such as birch and alder, some species of which reach the northern limits of tree growth

[C19: from Latin betula birch]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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betulaceous

bet·u·la·ceous