realm

US /relm/
UK /relm/
"realm" picture
1.

a kingdom

:
•
The king ruled over a vast realm.
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Stories from the mythical realm of dragons.
:
kingdomempiredominionsovereigntyterritory
2.

a field or domain of activity or interest

:
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He is an expert in the realm of quantum physics.
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Such matters are beyond the realm of human understanding.
:
domainspherefieldareaprovince