Skip to main content
alga

alga

66 5.8
A simple green living thing like seaweed that lives in water and makes food from light
  • noun
  • /ˈælɡə/
translation icon : alga
  • But more than just birds depend on these algae that convert nitrogen from the air into nitrates.
  • green algae
  • aquatic algae
  • marine algae

I'm still using serums from Michael Todd and the blue-green algae toner.

Autoplay Next

Examples

  • In Fiji, they have these iridescent algae.

  • - They eat the algae then fertilise the rice.

  • Do you know how much algae there is in the world?

  • The whole time, we thought it was algae that made it so green.

    Fiction book (2000)
  • -Can you hand me some of that algae?

  • I can see the algae blooms just coming in.

  • Now the resort's shut down and the whole lake is covered in this layer of toxic algae.

  • The fountain in the center of the park was stagnant, green algae lapping at the rim.

    Fiction book (1997)
  • Consider phytoplankton, microscopic drifting algae that form the base of the ocean food chain by performing photosynthesis.

    Academic text (2011)
  • The lake was covered in a thick layer of alga, making it unsafe for swimming.

How Big

macrophyte
  • Specialized
8.7
alga
66 5.8
phytoplankton
  • Specialized
4 8.2

Surface Forms

alga singular
algae plural

Etymology

The word alga comes from Latin alga, which meant 'seaweed'. So alga names the simple green plants you find in water, like seaweed, that make oxygen but do not have real roots, stems, or leaves.