plural noun, singular al·ga [al-guh] /ˈæl gə/.
Origin of algae
Examples from the Web for algal
Earlier this month, Toledo, Ohio, watched its municipal water supply descend into an undrinkable stew of algal toxins.
It was, therefore, most desirable to devise a method of ridding the bed of algal growth without injuring the cress.
The chains of cells are usually badly broken up, and the nature of the algal host is, therefore, difficult to distinguish.Ohio Biological Survey, Bull. 10, Vol. 11, No. 6|Bruce Fink and Leafy J. Corrington
This only killed the algal growth with which the particles of copper came in contact and left the main body of alg unaffected.
The protoplasmic contents of this siliceous box-like unicell are very similar to the contents of many other algal cells.
The work was begun with an inquiry into the extent of the trouble from algal pollution.
British Dictionary definitions for algal
pl n singular alga (ˈælɡə)
Word Origin for algae
Word Origin and History for algal (1 of 2)
(plural), 1794, from alga (singular), 1550s, from Latin alga "seaweed," of uncertain origin, perhaps from a PIE root meaning "to putrefy, rot."
Medicine definitions for algal
Culture definitions for algal
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.