单词 | sedimentary |
释义 | sedimentary[ sed-uh-men-tuh-ree ] / ˌsɛd əˈmɛn tə ri / SEE SYNONYMS FOR sedimentary ON THESAURUS.COM adjectiveof, relating to, or of the nature of sediment. Geology. formed by the deposition of sediment, as certain rocks. Sometimes sed·i·men·tal [sed-uh-men-tl] /ˌsɛd əˈmɛn tl/ . Origin of sedimentaryFirst recorded in 1820–30; sediment + -ary OTHER WORDS FROM sedimentarysed·i·men·tar·i·ly [sed-uh-muhn-tair-uh-lee, sed-uh-muhn-ter-], /ˌsɛd ə mənˈtɛər ə li, ˈsɛd ə mənˌtɛr-/, adverbun·sed·i·men·tar·i·ly, adverbun·sed·i·men·ta·ry, adjectiveWords nearby sedimentarySedgwick, sedgy, sedile, sedilia, sediment, sedimentary, sedimentary rock, sedimentation, sedimentation constant, sedimentation rate, sedimentation tank Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for sedimentaryBritish Dictionary definitions for sedimentarysedimentary / (ˌsɛdɪˈmɛntərɪ) / adjectivecharacteristic of, resembling, or containing sediment (of rocks) formed by the accumulation and consolidation of mineral and organic fragments that have been deposited by water, ice, or windCompare igneous, metamorphic Derived forms of sedimentarysedimentarily, adverbCollins 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 sedimentarysedimentary [ sĕd′ə-mĕn′tə-rē ] Relating to rocks formed when sediment is deposited and becomes tightly compacted. Depending on the origin of the sediments they contain, sedimentary rocks are classified as clastic sedimentary rocks, chemical sedimentary rocks, or evaporites. Sandstone and conglomerate, for example, consist of fragments of broken preexisting rocks or minerals and are classified as clastic sedimentary rocks. Limestone forms from the precipitation of calcium carbonate through water and is classified as a chemical sedimentary rock. Gypsum and halite deposits form through the evaporation of mineral-rich water and are classified as evaporites. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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