̷ ̷ˌ ̷ ̷ ̷ ̷ˈā(ˌ)lēz noun plural
Usage: capitalized
Etymology: New Latin, from Chytridium + -ales
: an order of simple aquatic fungi (subclass Oomycetes) that have little or no mycelium, that have zoospores with single flagella posterior or lacking, and that are mostly saprophytic except for several which are parasitic on higher plants, animals, or freshwater fungi