This shows grade level based on the word's complexity.
appressorium
[ ap-re-sawr-ee-uhm, -sohr- ]
/ ˌæp rɛˈsɔr i əm, -ˈsoʊr- /
Save This Word!
This shows grade level based on the word's complexity.
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.
QUIZ
GOOSES. GEESES. I WANT THIS QUIZ ON PLURAL NOUNS!
Test how much you really know about regular and irregular plural nouns with this quiz.
Question 1 of 9
Which of the following nouns has an irregular plural form?
Words nearby appressorium
apprehension, apprehensive, apprentice, apprenticeship, appressed, appressorium, apprise, apprised, apprize, appro, approach
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022
British Dictionary definitions for appressorium
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