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tet·ra·zo·li·um | \ ˌte-trə-ˈzō-lē-əm 
\
\Definition of tetrazolium
: a monovalent cation or group CH3N4 that is analogous to ammonium also : any of several of its derivatives used especially as electron acceptors to test for metabolic activity in living cells
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tetrazolium
nountet·ra·zo·li·um | \ ˌte-trə-ˈzō-lē-əm \
\Medical Definition of tetrazolium
: a monovalent cation or group CH3N4 that is analogous to ammonium also : any of several of its derivatives used especially as electron acceptors to test for metabolic activity in living cells
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Time Traveler for tetrazolium
The first known use of tetrazolium was in 1895
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