venation
[ vee-ney-shuhn, vuh- ]
/ viˈneɪ ʃən, və- /
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noun
the arrangement of veins, as in a leaf or in the wing of an insect.
these veins collectively.
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OTHER WORDS FROM venation
ve·na·tion·al, adjectiveWords nearby venation
venae cavernosae penis, venae rectae, venal, venality, venatic, venation, vend, Venda, vendace, Vendean, vendee
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Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
Example sentences from the Web for venation
British Dictionary definitions for venation
venation
/ (viːˈneɪʃən) /
noun
the arrangement of the veins in a leaf or in the wing of an insect
such veins collectively
Derived forms of venation
venational, adjectiveCollins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Scientific definitions for venation
venation
[ vē-nā′shən ]
The distribution or arrangement of a system of veins, as in an insect's wing or a leaf blade. Patterns of venation in insect wings are often used to identify and differentiate species. In angiosperm plants, the venation of eudicot and magnoliid leaves is generally netted or reticulate, with smaller veins branching out from larger ones in a pinnate or palmate pattern, while that of monocots is parallel, with many veins of similar size running parallel to each other along the length of the plant part. These parallel veins are connected to each other by much smaller cross veins.
The veins of such a system considered as a group.
The American Heritage® Science Dictionary
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