单词 | lenticel |
释义 | lenticel[ len-tuh-sel ] / ˈlɛn təˌsɛl / noun Botany.a body of cells formed on the periderm of a stem, appearing on the surface of the plant as a lens-shaped spot, and serving as a pore. Origin of lenticel1850–55; <New Latin lenticella, diminutive of Latin lenticula lentil; see lenticle OTHER WORDS FROM lenticellen·ti·cel·late [len-tuh-sel-it], /ˌlɛn təˈsɛl ɪt/, adjectiveWords nearby lenticellent, lentamente, lentando, Lenten, lentic, lenticel, lenticle, lenticonus, lenticular, lenticular ansa, lenticular astigmatism Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for lenticel
British Dictionary definitions for lenticellenticel / (ˈlɛntɪˌsɛl) / nounany of numerous pores in the stem of a woody plant allowing exchange of gases between the plant and the exterior Derived forms of lenticellenticellate (ˌlɛntɪˈsɛlɪt), adjectiveWord Origin for lenticelC19: from New Latin lenticella, from Latin lenticula diminutive of lēns lentil 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 Scientific definitions for lenticellenticel [ lĕn′tĭ-sĕl′ ] One of the small areas on the surface of a plant stem, trunk, or fruit that allow the interchange of gases between the metabolically active interior tissue and the surrounding air or pockets of air in the soil. Lenticels are portions of the periderm that have numerous pores or intercellular spaces. They appear as raised circular or elongated areas. The dark lines in birch bark and the tiny dots sometimes seen on skin of apples and pears are lenticels. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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