crustose

 [kruhs-tohs]  

crus·tose

   [kruhs-tohs]
adjective Botany, Mycology.
forming a crusty, tenaciously fixed mass that covers the surface on which it grows, as certain lichens.
Compare foliose, fruticose.

Origin:
1875–80; < Latin crustōsus covered with a crust, equivalent to crust(a) crust + -ōsus -ose1
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Based on the Random House Dictionary, © Random House, Inc. 2012.
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Crustose is always a great word to know.
So is archegonia. Does it mean:
female reproductive organ which produces eggs in bryophytes, ferns and most gymnosperms
green coloring of leaves and plants needed for photosynthesis
LEARN MORE UNUSUAL WORDS WITH WORD DYNAMO...
Collins
World English Dictionary
crustose (ˈkrʌstəʊs)
 
—adj
biology having a crustlike appearance: crustose lichens

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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