Noun: diatom dI-u-tum
- Microscopic unicellular marine or freshwater colonial alga having cell walls impregnated with silica
"Diatoms are important primary producers in aquatic ecosystems"
Derived forms: diatoms
Type of: alga, algae, phytoplankton
Part of: Bacillariophyceae, class Bacillariophyceae, class Diatomophyceae, Diatomophyceae
Encyclopedia: Diatom