alga

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al·ga

 (ăl′gə)
n. pl. al·gae (-jē)
Any of numerous photosynthetic organisms of aquatic or moist habitats, ranging in size from single-celled diatoms to large seaweeds such as kelp, and characterized by a lack of complex organs and tissues. Once classified within the plant kingdom, the algae are now considered to include several unrelated groups belonging to different kingdoms.

[Latin, seaweed.]

al′gal (ăl′gəl) adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

al·ga

(ăl′gə)
Plural algae (ăl′jē)
Any of various green, red, or brown organisms that grow mostly in water, ranging in size from single cells to large spreading seaweeds. Like plants, algae manufacture their own food through photosynthesis. They form a major component of marine plankton and are often visible as pond scum. Although they were once classified as plants, they do not have roots, stems, or leaves, and are now viewed as protists.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.alga - primitive chlorophyll-containing mainly aquatic eukaryotic organisms lacking true stems and roots and leavesalga - primitive chlorophyll-containing mainly aquatic eukaryotic organisms lacking true stems and roots and leaves
protoctist - 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
euglenid, euglenoid, euglenophyte - marine and freshwater green or colorless flagellate organism
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
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
Translations
řasa
levä
alga
þörungur
dumbliai
alg

alga

[ˈælgə] N (algae (pl)) [ˈældʒiː]alga f
Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005

alga

n (pl -gae) (frec. pl) alga; blue-green algae algas verdeazuladas
English-Spanish/Spanish-English Medical Dictionary Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.
References in periodicals archive ?
Las algas, de las que la mas importante es la Gracileria Chilensis, conocida en Chile como pelillo, se cosechan, se secan en las playas y se venden a una procesadora que las convierte en un fino polvo blanco, que se vende a US$15,50 el kilo en Japon.
Caracterizacion floristica y zonacion de las algas bentonicas marinas del puerto de La Coruna (NO Peninsula Iberica).
Es comun la presencia en las costas de la Peninsula Iberica de individuos de Acrosorium ciliolatum y Cryptopleura ramosa aunque, por su pequeno tamano y por vivir, con frecuencia, epifitos sobre otras algas, su distribucion conocida es menos amplia de la que en la realidad debe ser.
Catalogo de las algas marinas bentonicas (Cyanophyta, Chlorophyta, Phaeophyta y Rhodophyta) para el archipielago Canario.