Definition of nannandrium in English:

nannandrium

Pronunciation /naˈnandrɪəm/

noun

Botany
  • The single-celled male plantlet (dwarf male) of nannandrous green algae.

Origin

Early 20th century. From scientific Latin nannandrium from ancient Greek νάννος, variant of νᾶνος dwarf + scientific Latin -andrium (from ancient Greek ἀνδρ-, ἀνήρ man + classical Latin -ium).