Definitions for macrocystis

This page provides all possible meanings and translations of the word macrocystis


  1. macrocystis(Noun)

    An immensely long, blackish seaweed of the Pacific (Macrocystis pyrifera), having numerous almond-shaped air vessels.

Webster Dictionary

  1. Macrocystis(noun)

    an immensely long blackish seaweed of the Pacific (Macrocystis pyrifera), having numerous almond-shaped air vessels


  1. Macrocystis

    Macrocystis is a genus of kelp. This genus contains the largest of all the phaeophyceae or brown algae. Macrocystis has pneumatocysts at the base of its blades. Sporophytes are perennial, and individual stipes may persist for many years. Common along the coast of the eastern Pacific Ocean, from central California to Baja California and north to southeast Alaska. One species, Macrocystis pyrifera, under this genus, has the fastest linear growth of any organism on earth.

U.S. National Library of Medicine

  1. Macrocystis

    A genus of BROWN ALGAE in the family Lessoniaceae, and one of the major forms of KELP. The species Macrocystis pyrifera, also known as giant kelp, is the largest of the marine algae.


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