单词 | monocotyledon |
释义 | monocotyledon[ mon-uh-kot-l-eed-n ] / ˌmɒn əˌkɒt lˈid n / noun Botany.an angiospermous plant of the class Monocotyledones, characterized by producing seeds with one cotyledon and an endogenous manner of growth. Compare dicotyledon. Origin of monocotyledonFrom New Latin, dating back to 1720–30; see origin at mono-, cotyledon Words nearby monocotyledonmonoclonal, monoclonal antibody, monoclonality, monocoque, monocot, monocotyledon, monocotyledonous, monocracy, monocrat, monocrotic, monocrotism Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for monocotyledonmonocotyledon / (ˌmɒnəʊˌkɒtɪˈliːdən) / nounany flowering plant of the class Monocotyledonae, having a single embryonic seed leaf, leaves with parallel veins, and flowers with parts in threes: includes grasses, lilies, palms, and orchidsOften shortened to: monocot Compare dicotyledon Derived forms of monocotyledonmonocotyledonous, adjectiveCollins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Scientific definitions for monocotyledonmonocotyledon [ mŏn′ə-kŏt′l-ēd′n ] Any of a class of angiosperm plants having a single cotyledon in the seed. Monocotyledons have leaves with parallel veins, flower parts in multiples of three, and fibrous root systems. Their primary vascular bundles are scattered throughout the stem, not arranged in a ring as in eudicotyledons. Grasses, palms, lilies, irises, and orchids are monocotyledons. See more at leaf. Compare eudicotyledon. Other words from monocotyledonmonocotyledonous adjectiveThe American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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