General English


  • plural noun tiny plants living in water or in moist conditions, which contain chlorophyll and have no stems or roots or leaves


  • Non-self-supporting vegetable-like organisms which flourish in fresh or salt water, generally greenish in colour, ranging in size from the microscopic to enormous (e.g. with 100-metre-long fronds). Of culinary importance are the microscopic Chlorella and Spirulina, which are used as health foods, and the larger seaweeds, used either as vegetables or as a source of various food-thickening agents.