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calcium carbonate

view main entry for calcium carbonate noun [uncountable] chemistry  /ˌkælsiəm ˈkɑː(r)bəneɪt/
British English pronunciation: calcium carbonateClick to listen to the pronunciation of calcium carbonate
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nanodegree

a course of study which is much shorter than a university course and focuses on the skills you need for a job, especially computer-related skills

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hypocaust

an ancient Roman system of underfloor heating, used to heat houses with hot air; from the Latin 'hypocaustum'

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