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O vs blood group

blood group vs O

O and blood group both are nouns.

Word NounAdjectiveVerbAdverb
O Yes No No No
blood group Yes No No No
As nouns, blood group is a hypernym of O; that is, blood group is a word with a broader meaning than O:
  • O: the blood group whose red cells carry neither the A nor B antigens
  • blood group: human blood cells (usually just the red blood cells) that have the same antigens
Other hypernyms of O include blood type.
O (noun) blood group (noun)
the blood group whose red cells carry neither the A nor B antigens human blood cells (usually just the red blood cells) that have the same antigens
the 15th letter of the Roman alphabet
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
Difference between O and blood group

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