单词 | algae |
释义 | algae[ al-jee ] / ˈæl dʒi / SEE SYNONYMS FOR algae ON THESAURUS.COM plural noun, singular al·ga [al-guh]. /ˈæl gə/.any of numerous groups of chlorophyll-containing, mainly aquatic eukaryotic organisms ranging from microscopic single-celled forms to multicellular forms 100 feet (30 meters) or more long, distinguished from plants by the absence of true roots, stems, and leaves and by a lack of nonreproductive cells in the reproductive structures: classified into the six phyla Euglenophyta, Crysophyta, Pyrrophyta, Chlorophyta, Phaeophyta, and Rhodophyta. Compare blue-green algae. Origin of algae<New Latin, plural of Latin alga seaweed OTHER WORDS FROM algaealgal, adjectiveWords nearby algaeal-Fustat, Alfvén, Alfvén wave, alg., alga, algae, Algar, Algaroth powder, algarroba, Algarve, algebra Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for algaeBritish Dictionary definitions for algaealgae / (ˈældʒiː) / pl n singular alga (ˈælɡə)unicellular or multicellular organisms formerly classified as plants, occurring in fresh or salt water or moist ground, that have chlorophyll and other pigments but lack true stems, roots, and leaves. Algae, which are now regarded as protoctists, include the seaweeds, diatoms, and spirogyra Derived forms of algaealgal (ˈælɡəl), adjectiveWord Origin for algaeC16: from Latin, plural of alga seaweed, of uncertain origin Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Cultural definitions for algaealgae [ (al-jee) ] Primitive organisms that contain chlorophyll but do not have structures, such as xylem and phloem, to transport fluids. Algae sometimes contain only a single cell, and nowadays they are not considered members of the plant kingdom. notes for algaeThe most familiar algae are the greenish scum that collects in still water. notes for algaeAlgae supply a considerable part of the world's oxygen. The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. Medical definitions for algaealgae [ ăl′jē ] pl.n.Any of various chiefly aquatic, eukaryotic, photosynthetic organisms, ranging in size from single-celled forms to the giant kelp. The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company. |
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