Alga

Aquatic plants or plants of damp habitats having unicellular and multi-cellular forms that are distinguished from the fungi by the presence of chlorophyll.

alga

[n] - primitive chlorophyll-containing mainly aquatic eukaryotic organisms lacking true stems and roots and leaves
Found on http://www.webdictionary.co.uk/definition.php?query=alga

Alga

Al'ga noun ; plural Algæ [ Latin , seaweed.] (Botany) A kind of seaweed; plural the class of cellular cryptogamic plants which includes the black, red, and green seaweeds, as kelp, dulse, sea lettuce, also marine and fresh water confervæ, etc.
Found on http://www.encyclo.co.uk/webster/A/54

alga

algae noun primitive chlorophyll-containing mainly aquatic eukaryotic organisms lacking true stems and roots and leaves
Found on https://www.encyclo.co.uk/local/20974

Alga

• (n.) A kind of seaweed; pl. the class of cellular cryptogamic plants which includes the black, red, and green seaweeds, as kelp, dulse, sea lettuce, also marine and fresh water confervae, etc.
Found on http://thinkexist.com/dictionary/meaning/alga/

alga

alga (s), algae (pl) Photosynthetic organisms lacking a vascular system, true leaves, stems, and roots. Algae range in size from the microscopic to the macroscopic, and include many seaweeds found in fresh water and marine habitats.
Found on http://www.wordinfo.info/words/index/info/view_unit/76/
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