phellem
phellem definition
phel·lem (fel′em′, -əm)
noun
the layer of dead, corky cells produced externally by the cork cambium in the bark of woody plants; cork
Etymology: < Gr phellos, cork + E -em, as in phloem
Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.
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