plural noun, singular al·ga [al-guh] /ˈæl gə/.
Origin of algae
Examples from the Web for algae
We would have considered an algae bloom to be a welcome sign of ecological renewal.
Algae, sponges and coral now cover nuns, small children, and the elderly upper class.Artist Jason deCaires Taylor’s Underwater Sculptures Are a Sight to Sea|Justin Jones|April 7, 2014|DAILY BEAST
Glowing bacteria might live in our ceilings and light our homes, while algae bioreactors could supply food and fuel.
Newt Gingrich has been scoring points ridiculing the idea of algae as a fuel of the future.
The rainbow of life in a coral reef is founded on the partnership between polyps and algae.Here on Earth, The Forgotten Founding Father, and Other Reviews|The Daily Beast|April 30, 2011|DAILY BEAST
Against the walls Tom could see the great hydroponic vats that held the yeast and algae cultures that fed the crew of the ship.Gold in the Sky|Alan Edward Nourse
The gas is sometimes withdrawn and the deposit produced in large part by the action of algae and other humble forms of plant life.The Elements of Geology|William Harmon Norton
He regarded a bowl of algae as if about to make it disappear.Greener Than You Think|Ward Moore
Solomon in all his glory had nothing on the algae; and the Queen of Sheba nothing on Cynthy.Maw's Vacation|Emerson Hough
An aerator is used before filtration during the summer, when algae are likely to develop in the reservoir.
pl n singular alga (ˈælɡə)
Word Origin for algae
(plural), 1794, from alga (singular), 1550s, from Latin alga "seaweed," of uncertain origin, perhaps from a PIE root meaning "to putrefy, rot."
Plural algae (ăl′jē)
Primitive organisms that contain chlorophyll but do not have structures, such as xylem and phloem, to transport fluids. Algae sometimes contain only a single cell, and nowadays they are not considered members of the plant kingdom.