o

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• O သွေး အမျိုးအစား - the blood group whose red cells carry neither the A nor B antigens . Syns: type O, group O.
• သတ္တူမဟုတ်သော ဒြဗ်ထု ၊ 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 . Syns : oxygen, atomic number 8.