velamina

velamen

[vuh-ley-min]
noun, plural velamina [vuh-lam-uh-nuh] .
1.
Anatomy. a membranous covering; velum.
2.
Botany. the thick, spongy integument or epidermis covering the aerial roots of epiphytic orchids.

Origin:
1880–85; < Latin vēlāmen, equivalent to vēlā(re) to cover + -men noun suffix of result

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World English Dictionary
velamen (vəˈleɪmɛn)
 
n , pl -lamina
1.  the thick layer of dead cells that covers the aerial roots of certain orchids and aroids and absorbs moisture from the surroundings
2.  anatomy another word for velum
 
[C19: from Latin: a veil, from vēlāre to cover]

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Medical Dictionary

velamen ve·la·men (və-lā'mən)
n. pl. ve·lam·i·na (-lām'ə-nə)
See velum.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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