| 单词 | lacuna |
| 释义 | lacuna[ luh-kyoo-nuh ] / ləˈkyu nə / SEE SYNONYMS FOR lacuna ON THESAURUS.COM noun, plural la·cu·nae [luh-kyoo-nee], /ləˈkyu ni/, la·cu·nas.a gap or missing part, as in a manuscript, series, or logical argument; hiatus. Anatomy. one of the numerous minute cavities in the substance of bone, supposed to contain nucleate cells. Botany. an air space in the cellular tissue of plants. Origin of lacunaFirst recorded in 1655–65; from Latin lacūna “ditch, pit, hole, gap, deficiency,” akin to lacus “basin, tub, vat, lake”; see lake1. Cf. lagoon Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for lacunaBritish Dictionary definitions for lacunalacuna / (ləˈkjuːnə) / noun plural -nae (-niː) or -nasa gap or space, esp in a book or manuscript biology a cavity or depression, such as any of the spaces in the matrix of bone another name for coffer (def. 3) Derived forms of lacunalacunose, lacunal or lacunary, adjectivelacunosity (ˌlækjʊˈnɒsɪtɪ), nounWord Origin for lacunaC17: from Latin lacūna pool, cavity, from lacus lake 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 Medical definitions for lacunalacuna [ lə-kyōō′nə ] n. pl. la•cu•nasAn anatomical cavity, space, or depression, especially in a bone. An empty space or a missing part; a gap; a defect. An abnormal space between the strata or between the cellular elements of the epidermis. corneal space Other words from lacunala•cu′nal adj.The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company. |
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