seaweeds

views updated May 14 2018

seaweeds Large multicellular algae living in the sea or in the intertidal zone. They are commonly species of the Chlorophyta, Phaeophyta, and Rhodophyta.

seaweed

views updated May 23 2018

seaweed The common name for a macroscopic marine alga. Seaweeds belong to the groups Rhaeophyta (brown seaweeds), Rhodophyta (red seaweeds), and Chlorophyta (green seaweeds).

seaweed

views updated May 18 2018

seaweed Any of numerous species of brown, green or red algae, found in greatest profusion in shallow waters on rocky coasts. Kelps are the largest forms. Many species are important for the manufacture of fertilizers or food, or as a valuable source of chemicals such as iodine. Kingdom Protoctista.

seaweed

views updated May 23 2018

seaweed Marine algae of interest as food include Irish moss, laver bread, and kelp, which are eaten to some extent in different communities and serve as a mineral supplement in animal feed.

seaweed

views updated May 23 2018

sea·weed / ˈsēˌwēd/ • n. large algae growing in the sea or on rocks below the high-water mark.

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seaweed

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