kasseisanso
1. reactive oxygen (i.e. free radicals, which can be destructive at high concentrations)
Noun
#44671
1. reactive oxygen (i.e. free radicals, which can be destructive at high concentrations)
1. oxygen (O)
1. activity
2. active
1. Oxygen.; It is oxygen.
1. Was oxygen.
1. Wasn't oxygen.
1. Not oxygen.
1. If oxygen; When oxygen
1. It's not oxygen.
1. It was not oxygen.