Key: "S:" = Show Synset (semantic) relations, "W:" = Show Word (lexical) relations
Display options for sense: (gloss) "an example sentence"
Noun
S: (n) oxygen, O, 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)
S: (n) O, o (the 15th letter of the Roman alphabet)
S: (n) O, type O, group O (the blood group whose red cells carry neither the A nor B antigens) "people with type O blood are universal donors"