Definition of algae Algae
/æˈlʤi/ - [atljee] - al•gae
We found 4 definitions of algae from 4 different sources.
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What does algae mean?
WordNet
NounSingular: alga |
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| algae - primitive chlorophyll-containing mainly aquatic eukaryotic organisms lacking true stems and roots and leaves | ||
| alga | ||
| 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 | ||
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Webster DictionaryWebster's Unabridged Dictionary 📘
- algae (pl. )
of Alga
Wikipedia 
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Algae (one Alga, several Algae) is a family of (usually) simple organisms. All of them photosynthesise. They capture light, and change it into energy. Normally, people think that algae are simple plants. Other kinds of algae however, seem to be more like simple animals. That is why, Algae form a group of their own.
Some algae live in the sea, they are usually called seaweeds.
Usually, Algae are photoautrophic, they produce energy from light, this is what tells them apart from other Protozoa. Protozoa are simple organisms (that usually live in the sea). The problem is that some algae are mixotrophic. Those algae also get energy from other sources than photosynthesis. This makes them almost like some bacteria.
Some algae have lost their capability of photosynthesis, and rely only on external energy sources.
All algae have photosynthetic machinery ultimately derived from the cyanobacteria, and so produce oxygen as a by-product of photosynthesis, unlike non-cyanobacterial photosynthetic bacteria.
Algae are usually found in damp places or water. For this reason they are common in terrestrial as well as aquatic environments. However, terrestrial algae are usually rather inconspicuous and far more common in moist, tropical regions than dry ones, because algae lack vascular tissues and other adaptations to live on land. Algae can endure dryness and other conditions in symbiosis with a fungus as lichen.
The various sorts of algae play significant roles in aquatic ecology. Microscopic
Part of speech
🔤- algae, noun, plural of alga.
