F region
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
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Senses
Sense 1 noun
the highest region of the ionosphere (from 90 to 600 miles up) which contains the highest concentration of free electrons and is most useful for long-range radio transmission
Types & categories
- region instance hypernym
Parts & wholes
- ionosphere part holonym
Table view of this graph
| Sense | Relation | Group | Word |
|---|---|---|---|
| 1 | part holonym | Parts & wholes | ionosphere |
| 1 | instance hypernym | Types & categories | region |