English
Detailed Synonyms for O in English
O:
O [the ~] noun
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the O
– the blood group whose red cells carry neither the A nor B antigens 1 -
the O
– the 15th letter of the Roman alphabet 1 -
the 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 1the oxygen; the O; the atomic number 8– 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 1