appressorium

 [ap-re-sawr-ee-uhm, -sohr-]  

ap·pres·so·ri·um

   [ap-re-sawr-ee-uhm, -sohr-]
noun, plural ap·pres·so·ri·a  [-sawr-ee-uh, -sohr-] . Mycology.
a flattened and thickened tip of a hyphal branch, formed by some parasitic fungi, that facilitates penetration of the host plant.
Origin:
1895–1900; < Neo-Latin, equivalent to Latin appress(us) (see appressed) + -ōrium -orium
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Based on the Random House Dictionary, © Random House, Inc. 2012.
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Appressorium has a plethora of syllables.
So is cyclotrimethylenetrinitramine. Does it mean:
a white, crystalline, water-insoluble, powerful high explosive, C3H6N6O6, used chiefly in bombs and shells.
opposition to the withdrawal of state support or recognition from an established church, esp. the Anglican Church in 19th-century England.
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Collins
World English Dictionary
appressorium (ˌæprɛˈsɔːrɪəm)
 
—n , pl -ria
botany a flattened hypha of a parasitic fungus that penetrates the host tissues
 
[from New Latin, from Latin appressus; see appressed]

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