Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. Any of numerous flowerlike marine coelenterates of the class Anthozoa, having a flexible cylindrical body and tentacles surrounding a central mouth.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. Any of many polyps, of the order Actiniaria, which occurs in marine and estuarine habitats, and which captures its food using tentacles

from the GNU version of the Collaborative International Dictionary of English

  • Any one of numerous species of soft-bodied Anthozoa, belonging to the order Actinaria; an actinian.

from The Century Dictionary and Cyclopedia

  • n. An actinia; a cœlenterate of the class Actinozoa and order Malacodermata, of which there are several families besides the Actiniidæ, many genera, and numerous species.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. marine polyps that resemble flowers but have oral rings of tentacles; differ from corals in forming no hard skeleton

Etymologies

Sorry, no etymologies found.

Examples

  • The same University of California, Irvine researchers working with sea anemone extract have likewise found that a compound from the rue shrub plant—known as PAP-1—delayed the onset and reduced the incidence of disease in diabetic rats and helped to improve the joint function of rats with rheumatoid arthritis.

    The Autoimmune Epidemic

  • In what sounds like something straight out of Twenty Thousand Leagues Under the Sea, researchers from the University of California, Irvine recently found that natural compounds derived from a Cuban sea anemone extract—referred to as SL5—block the autoimmune disease response in type 1 diabetes and rheumatoid arthritis.

    The Autoimmune Epidemic

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