| 单词 | trace fossil |
| 释义 | trace fossilSEE SYNONYMS FOR trace fossil ON THESAURUS.COM nouna fossilized track, trail, burrow, boring, or other structure in sedimentary rock that records the presence or behavior of the organism that made it. Words nearby trace fossilTrabzon, tracasserie, trace, traceable, trace element, trace fossil, traceless, tracer, tracer bullet, traceried, tracery Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for trace fossiltrace fossil nounthe fossilized remains of a track, trail, footprint, burrow, etc, of an organism 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 trace fossiltrace fossil A fossil consisting of an imprint of or a mark left by an organism, as opposed to physical remains. Trace fossils are produced in soft sediments and include surface tracks, molded impressions left by organisms or tissues that later decayed, and subsurface burrows or tunnelings. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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