tetrazolium
noun
tet·ra·zo·li·um ˌte-trə-ˈzō-lē-əm 
: 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
Word History
Etymology
New Latin, from International Scientific Vocabulary tetrazole (CH2N4)
First Known Use
1895, in the meaning defined above
Medical Definition
tetrazolium
noun
tet·ra·zo·li·um ˌte-trə-ˈzō-lē-əm
: 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
- looked down (on)
- looked down on
- looked down on or upon
- looked down one's nose
- looked down one's nose (at)
- looked down one's nose at
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- looked into
- looked on
- looked on or upon
- looked out
- looked out (for)
- looked out for
- looked over
- looked round
- looked through
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- looked toward
- looked up
- looked up to
- lookee
- looker
- looker-on