petiolule

 [pet-ee-uhl-yool, -uh-lool, pet-ee-ol-yool]  

pet·i·o·lule

   [pet-ee-uhl-yool, -uh-lool, pet-ee-ol-yool]
noun Botany.
a small petiole, as of a leaflet in a compound leaf.
Origin:
1825–35; < Neo-Latin petiolulus. See petiole, -ule

Related forms
pet·i·ol·u·lar  [pet-ee-ol-yuh-ler] , pet·i·ol·u·late  [pet-ee-ol-yuh-leyt, -lit] , adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Petiolule is always a great word to know.
So is antheridia. Does it mean:
male reproductive structure which produces gametes in ferns, mosses, fungi and algae
phylum of green, nonvascular, seedless plants comprised of true mosses, hornworts and liverworts
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Collins
World English Dictionary
petiolule (ˈpiːtɪəʊlˌjuːl)
 
—n
the stalk of any of the leaflets making up a compound leaf
 
[C19: from New Latin petiolūlus, diminutive of Latin petiolus; see petiole]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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