plural noun, singular al·ga [al-guh] /ˈæl gə/.
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Origin of algae
OTHER WORDS FROM algaeal·gal, adjective
Words nearby algae
Example sentences from the Web for alga
A remarkable feature connected with sloths is the development of a green colour in their hair, due to the growth of an alga.
These colours are caused by the presence of minute organisms—a species of alga called Protococcus nivalis.The Library of Work and Play: Mechanics, Indoors and Out|Fred T. Hodgson
This was considered an alga by Agaron, but Berkeley referred it to the fungi.Poisons: Their Effects and Detection|Alexander Wynter Blyth
The Stentor, from its location below the alga, could not reach the starch grains without altering its position.The Dawn of Reason|James Weir
The minute green particles consist of a certain seaweed or alga.The Romance of Plant Life|G. F. Scott Elliot
British Dictionary definitions for alga
pl n singular alga (ˈælɡə)
Derived forms of algaealgal (ˈælɡəl), adjective
Word Origin for algae
Medical definitions for alga
Scientific definitions for alga
Plural algae (ăl′jē)
Cultural definitions for alga
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.