Definition of algae noun from the Oxford Advanced Learner's Dictionary



BrE BrE//ˈældʒiː//
; NAmE NAmE//ˈældʒiː//
; BrE BrE//ˈælɡiː//
; NAmE NAmE//ˈælɡiː//
[uncountable, plural]
jump to other results
very simple plants, such as seaweed, that have no real leaves, stems or roots, and that grow in or near water The singular of algae is alga
BrE BrE//ˈælɡə//
; NAmE NAmE//ˈælɡə//
but this is a specialist term used only in scientific writing.
Word Originmid 16th cent.: from Latin, ‘seaweed’.
See the Oxford Advanced American Dictionary entry: algae