Volvox

Từ điển WordNet v3.1 - WordNet Dictionary

noun

type genus of the Volvocaceae;
minute pale green flagellates occurring in tiny spherical colonies;
minute flagella rotate the colony about an axis
• Syn:
genus Volvox
• Hypernyms:
protoctist genus
• Member Holonyms:
Volvocaceae, family Volvocaceae