O
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1 O
A nonmetallic bivalent element that is normally a colorless odorless tasteless nonflammable diatomic gas; constitutes 21 percent of the atmosphere by volume; the most abundant element in the earth's crust.
synoniemen: atomic number 8, oxygen.
Nederlands: zuurstof
Pools: tlen, O
2 O
The 15th letter of the Roman alphabet.
3 O
The blood group whose red cells carry neither the A nor B antigens:
— People with type O blood are universal donors.
Vind elders meer over O: etymologie - rijmwoorden - Wikipedia.
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