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hydrogen

hy·dro·gen

hydrogen

 
pronunciation:
haI dr jn
features:
Word Explorer, Word Parts
part of speech: noun
definition: a very light gas that burns easily and is one of the chemical elements. Hydrogen is the most abundant element in the universe. It combines with oxygen to make water, and it is found in all living things. Hydrogen combines with many substances and has many uses. (symbol: H)
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  cell, element, water
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