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Definition of chemical element noun from the Oxford Advanced Learner's Dictionary

chemical element

noun
 
/ˌkemɪkl ˈelɪmənt/
 
/ˌkemɪkl ˈelɪmənt/
(also element)
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  1. a simple chemical substance that consists of atoms of only one type and cannot be split by chemical means into a simpler substance. Gold, oxygen and carbon are all chemical elements.
    • Calcium is a chemical element that is vital to living things.
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