al·ga ( l g )n. pl. al·gae (-j  ) Any of various chiefly aquatic, eukaryotic, photosynthetic organisms, ranging in size from single-celled forms to the giant kelp. Algae were once considered to be plants but are now classified separately because they lack true roots, stems, leaves, and embryos. [Latin, seaweed.] al gal (lgl) adj. |
algae [ˈældʒiː]
pl n sing alga [ˈælgə]
(Life Sciences & Allied Applications / Biology) unicellular or multicellular organisms formerly classified as plants, occurring in fresh or salt water or moist ground, that have chlorophyll and other pigments but lack true stems, roots, and leaves. Algae, which are now regarded as protoctists, include the seaweeds, diatoms, and spirogyra
[from Latin, plural of alga seaweed, of uncertain origin]
algal [ˈælgəl] adj
ThesaurusLegend: Synonyms Related Words Antonyms
| Noun | 1. |  algae - primitive chlorophyll-containing mainly aquatic eukaryotic organisms lacking true stems and roots and leavesprotoctist - any of the unicellular protists seaweed - plant growing in the sea, especially marine algae golden algae - algae having the pigments chlorophyll and carotene and xanthophyll yellow-green algae - any alga of the division Chrysophyta with its chlorophyll masked by yellow pigment diatom - microscopic unicellular marine or freshwater colonial alga having cell walls impregnated with silica confervoid algae - algae resembling confervae especially in having branching filaments brown algae - algae having the chlorophyll masked by brown and yellow pigments chlorophyte, green algae - algae that are clear green in color; often growing on wet ricks or damp wood or the surface of stagnant water chlorella - any alga of the genus Chlorella red algae - marine algae in which the chlorophyll is masked by a red or purplish pigment; source of agar and carrageenan cryptomonad, cryptophyte - common in fresh and salt water appearing along the shore as algal blooms |
algae
Algae
bladderwrack, brown algae, carrageen, carragheen, or carageen, diatom, dinoflagellate, dulse, euglena, fucoid or fucus, green algae, gulfweed, Iceland moss, Irish moss, kelp, laver, lichen, oarweed, phytoplankton or plankton, red algae, reindeer moss, rockweed, sargasso or sargassum, sea lettuce, sea tangle, seaweed, sea wrack, spirogyra, stonewort, wrack Translations
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