单词	calcite
释义	calcite noun cal·​cite ˈkal-ˌsīt  : a mineral CaCO3 consisting of calcium carbonate crystallized in hexagonal form and including common limestone, chalk, and marble compare aragonite calcitic kal-ˈsi-tik  adjective Example Sentences Recent Examples on the Web That role was filled by Michael, a boy who could clap erasers like thunderbolts, converting the calcite into cumulonimbus clouds. Kevin Fisher-paulson, San Francisco Chronicle, 19 July 2022 Their skeletons, like Yorkicystis, are formed by porous calcite plates. Samuel Zamora, The Conversation, 24 May 2022 The necessary ingredients, the researchers suggest, include powerful ground shaking, loose sand, water and calcite, which functions like a glue. Katherine Kornei, New York Times, 8 Dec. 2021 The surrounding sand rapidly flows back into the void, and calcite, the primary mineral in limestone, cements the structure together. Katherine Kornei, New York Times, 8 Dec. 2021 The slow trickling of water through the rock dissolves calcite and other minerals which reform as stalactites, cave bacon, or other speleothems in the caves below. Dennis Pillion | Dpillion@al.com, al, 7 Dec. 2021 Anything under the calcite layer had to be at least as old as what was on the surface. Morgan Meis, The New Yorker, 13 Nov. 2021 Water seeping down the cave walls over the ages left behind calcite crusts. Brian Handwerk, Smithsonian Magazine, 13 Jan. 2021 Over time, these skeletal fibers decayed, leaving hollow tubules that filled up with calcite crystals. BostonGlobe.com, 29 July 2021 See More Word History First Known Use 1840, in the meaning defined above Medical Definition calcite noun cal·​cite ˈkal-ˌsīt  : a mineral CaCO3 consisting of calcium carbonate crystallized in hexagonal form and including common limestone, chalk, and marble
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