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alfentanil hydrochloride
alfilaria
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alforja
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alga
al·ga [ álgə ] (plural al·gae [ ál j ] or al·gas)


noun 
Definition:
 
photosynthetic organism: a photosynthetic organism of a group that lives mainly in water and includes the seaweeds. Algae differ from plants in not having true leaves, roots, or stems.
[Mid-16th century. < Latin, "seaweed"]

al·gal [ álgəl ] adjective
al·goid [ ál gòyd ] adjective

Word Usage
alga or algae?

Alga is singular and algae is plural; it is generally regarded as incorrect to use algae as a singular noun.
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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