O
noun
Key Types & categories Parts & wholes Related & opposite
- Word type
- noun
- verb
- adjective
- adverb
- Line style
- core relation
- instance, member or derived
- substance, domain or see-also
- Direction
- arrow points to the broader concept
- dashed outline: no word in this language
- Click any word to expand it.
Senses
Sense 1 noun
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
Types & categories
- chemical element hypernym
- gas hypernym
- liquid oxygen hyponym
Parts & wholes
Related & opposite
Sense 2 noun
the 15th letter of the Roman alphabet
Types & categories
- letter of the alphabet hypernym
Parts & wholes
- Roman alphabet member holonym
Sense 3 noun
the blood group whose red cells carry neither the A nor B antigens
people with type O blood are universal donors
Types & categories
- blood group hypernym
Table view of this graph
| Sense | Relation | Group | Word |
|---|---|---|---|
| 1 | derivation | Related & opposite | oxygenate |
| 1 | derivation | Related & opposite | oxygenize |
| 1 | substance holonym | Parts & wholes | air |
| 1 | substance holonym | Parts & wholes | water |
| 1 | substance holonym | Parts & wholes | ozone |
| 1 | hypernym | Types & categories | chemical element |
| 1 | hypernym | Types & categories | gas |
| 1 | hyponym | Types & categories | liquid oxygen |
| 2 | member holonym | Parts & wholes | Roman alphabet |
| 2 | hypernym | Types & categories | letter of the alphabet |
| 3 | hypernym | Types & categories | blood group |