algae
//ˈæl.dʒiː//
Noun
algaSingular
algaePlural
1
Simple, typically aquatic, photosynthetic organisms ranging from single-celled forms to large seaweeds, lacking true stems, roots, and leaves.
Green algae covered the surface of the pond.
2
A green, slimy growth found in water bodies such as ponds, lakes, and aquariums.
The pond was covered with green algae.