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tripterous

[trip-ter-uhs]

adjective Botany.

three-winged; having three wings or winglike expansions.

Origin:
1865–70; < Greek tripteros; see tri-, -pterous

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

So is chlorophyll. Does it mean:

phase in plant life which begins with a spore produced by meiosis

green coloring of leaves and plants needed for photosynthesis

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Collins

World English Dictionary

tripterous (ˈtrɪptərəs)

—*adj*
	(of fruits, seeds, etc) having three winglike extensions or parts

[C19: from tri- + Greek -pteros, from pteron wing]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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tripterous

trip·ter·ous