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oximeter
oxlip
Oxo
Oxon.
Oxonian
oxonium
oxonium ion
oxpecker
oxtail
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oxyacetylene
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oxidative stress
ox·i·da·tive stress [ òksi dàytiv stréss ] (plural ox·i·da·tive stresses)


noun 
Definition:
 
cell impairment from too much oxygen: impaired performance of cells caused by the presence of too many oxygen molecules in them
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