单词	microlith
释义	microlith noun mi·​cro·​lith ˈmī-krə-ˌlith  : a tiny blade tool especially of the Mesolithic usually in a geometric shape (such as that of a triangle) and often set in a bone or wooden haft microlithic ˌmī-krə-ˈli-thik  adjective Example Sentences Recent Examples on the Web For the new study, which appears in the journal PLOS One, a team from the Max Planck Institute for the Science of Human History in Germany took a closer look at the tools, or microliths, found in Fa-Hien Lena cave in Sri Lanka. Jason Daley, Smithsonian, 7 Oct. 2019 According to a new paper published in PLUS One, microliths seen in the Fa Hien cave in the tropical rainforests of Sri Lanka date to 45,000 years ago. Christopher Carbone, Fox News, 4 Oct. 2019 The microliths found in the cave are oldest ever found in south Asia. Jason Daley, Smithsonian, 7 Oct. 2019 Tiny stone tools -- known as microliths -- were essential to the growth of our species thousands of years ago. Christopher Carbone, Fox News, 4 Oct. 2019 Word History Etymology International Scientific Vocabulary First Known Use 1908, in the meaning defined above Medical Definition microlith noun mi·​cro·​lith ˈmī-krō-ˌlith  : a microscopic calculus or concretion rupture of microliths into blood vessels Modern Medicine compare gravel sense 1
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