diatom -
microscopic unicellular marine or freshwater colonial alga having cell walls impregnated with silica
alga,
algae primitive chlorophyll-containing mainly aquatic eukaryotic organisms lacking true stems and roots and leaves
phytoplankton photosynthetic or plant constituent of plankton; mainly unicellular algae
= synonym
= antonym
= relatert ord
Wiktionary
Substantiv
diatom -
One of the Diatomaceae, a family of minute unicellular algae having a siliceous covering of great delicacy.
Wikipedia
Diatoms are a major group of algae, and are one of the most common types of phytoplankton. Most diatoms are unicellular, although they can exist as colonies in the shape of filaments or ribbons (e.g. Fragillaria), fans (e.g.
OmegaWiki Dictionary
Ω
diatom Unicellular algae, some of which are colonial, green or brownish in colour (but all contain chlorophyll) and with siliceous and often highly sculptured cell walls.
