pythium
noun
pyth·i·um
ˈpithēəm
1
capitalized : a genus of destructive root-parasitic fungi (family Pythiaceae) having filamentous sporangia, smooth-walled spherical oogonia, and stalked antheridia and including forms (as P. debaryanum) that cause damping-off
2
plural -s : any fungus of the genus Pythium
pythium root necrosis
Word History
Etymology
New Latin, from Greek pythein to cause to rot + New Latin -ium