[ ap-re-sawr-ee-uhm, -sohr- ]
/ ˌæp rɛˈsɔr i əm, -ˈsoʊr- /
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noun, plural ap·pres·so·ri·a [ap-re-sawr-ee-uh, -sohr-]. /ˌæp rɛˈsɔr i ə, -ˈsoʊr-/. Mycology.
a flattened and thickened tip of a hyphal branch, formed by some parasitic fungi, that facilitates penetration of the host plant.
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Words nearby appressorium
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
British Dictionary definitions for appressorium
/ (ˌæprɛˈsɔːrɪəm) /
noun plural -ria (-rɪə)
botany a flattened hypha of a parasitic fungus that penetrates the host tissues
Word Origin for appressorium
from New Latin, from Latin appressus; see appressed
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012