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algae

algae

4 3.6
A simple green plant that grows in water and has no roots, stems, or leaves
  • noun
  • /ˈæl.dʒi/
translation icon : algas
  • Algae growth in fresh waters is related to the level of phosphorus, as well as nitrates.
  • Algae grow

The third reason why you have mold or algae is you're watering too much.

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Examples

  • Algae grow, nitrogen levels change, and all that affects the stream food web.

    Academic text (2007)
  • But biofuels from algae also have a downside.

  • New book from the International Algae Competition: "Imagine Our Algae Future."

    Blog text (26)
  • The International Algae Competition challenged people around the world to design our future with algae food and energy systems.

    Blog text (26)
  • But not much rock bound life, not much algae, not many insects.

  • Another method aims to use algae grown in ponds.

  • Algae require iron, and even trace amounts make a huge difference to biological production.

    Blog text (9)
  • Algae are vital to the lakes' health, forming the basis of the food chain, for starters.

    Academic text (1999)
  • As flamingos eat brine shrimp and algae, their feathers become that signature hot pink.

  • The pond was covered in green algae, creating a slippery surface on the water.

Compounds

3 3.0

A green living thing that grows on wet rocks, damp wood, or still water

red algae
  • Specialized
1 4.3

People use small red or purple sea plants to make foods like nori and agar

blue-green algae
  • Specialized
1 4.1

Tiny living things in water that make food from light and often look blue-green

brown algae
  • Specialized
4.8

Large sea algae, like kelp, that look brown or olive

confervoid algae
  • Specialized
9.9

Green living things in water made of long thin threads that often branch

fucoid algae
  • Specialized
9.9

Brown seaweed that grows on rocks along the coast

golden algae
  • Specialized
6.9

Very small living things in water that look golden because of their colored parts

planktonic algae
  • Specialized
5.5

Tiny algae made of one cell that float freely in water and feed small water animals

yellow-green algae
  • Specialized
6.7

Small plants that live in water and look yellow-green because they have yellow pigment

How Showy

lotos
  • Archaic
9.9
waterlily
1 3.0
pondweed
1 6.8
algae
4 3.6

Surface Forms

algae singular
alga plural

Etymology

Algae comes from the Latin word alga, which means 'seaweed'. So algae are literally 'seaweeds' — simple plant-like life that grows in water, which explains the green layers you see in ponds, lakes, and aquariums.