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oximeter
oxlip
Oxo
Oxon.
Oxonian
oxonium
oxonium ion
oxpecker
oxtail
oxtercog
oxther
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oxyacetylene
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oxygenase
ox·y·gen·ase [ óksijə nàyss, óksijə nàyz ]


noun 
Definition:
 
enzyme promoting incorporation of oxygen: an enzyme that promotes the addition of oxygen to a compound
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