Algae and Diatom

Algae noun - Primitive chlorophyll-containing mainly aquatic eukaryotic organisms lacking true stems and roots and leaves.

Diatom and algae are semantically related. In some cases you can replace term "Diatom" with "Algae", this nouns are similar.

Diatom noun - Microscopic unicellular marine or freshwater colonial alga having cell walls impregnated with silica.

Algae and diatom are semantically related. You can use "Algae" instead a noun "Diatom".

Nearby Word: diatomic