Definition of phycomycetous in English:

phycomycetous

Pronunciation /ˌfʌɪkə(ʊ)mʌɪˈsiːtəs/

adjective

Botany
  • Of or relating to the former class Phycomycetes of lower fungi; of the nature of a phycomycete.

Origin

Late 19th century; earliest use found in Science. From scientific Latin Phycomycetes + -ous.