WordReference Random House Unabridged Dictionary of American English © 2026
phy•toph•tho•ra
(fī tof′thər ə),USA pronunciation n.
- Fungiany of a group of fungi of the genus Phytophthora, which cause a serious plant disease, esp. affecting apple and pear trees and potatoes.
- Neo-Latin (1876), equivalent. to Greek phyto- phyto- + -phthora, feminine of -phthoros, verbid of phtheírein to destroy
'phytophthora' also found in these entries (note: many are not synonyms or translations):