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d region
Overview of noun d-region
The noun d region has 1 sense (no senses from tagged texts)
1. D-layer, D region -- (the lowest region of the ionosphere (35 to 50 miles up) that reflects low-frequency radio waves)
Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun d-region
1 sense of d region
Sense 1
D-layer, D region
INSTANCE OF=> region, part
=> location
=> object, physical object
=> physical entity
=> entity
Hyponyms of noun d-region
Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun d-region
1 sense of d region
Sense 1
D-layer, D region
INSTANCE OF=> region, part
Antonyms of noun d-region
Member Holonyms of noun d-region
Substance Holonyms of noun d-region
Part Holonyms of noun d-region
1 sense of d region
Sense 1
D-layer, D region
PART OF: ionosphere
Member Meronyms of noun d-region
Substance Meronyms of noun d-region
Part Meronyms of noun d-region
Meronyms of noun d-region
Holonyms of noun d-region
1 sense of d region
Sense 1
D-layer, D region
PART OF: ionosphere
Attributes of noun d-region
Derived Forms of noun d-region
Domain of noun d-region
Domain Terms of noun d-region
Familiarity of noun d-region
d region used as a noun is very rare (polysemy count =1)
Coordinate Terms (sisters) of noun d-region
1 sense of d region
Sense 1
D-layer, D region
> region, part
=> atmosphere, air
=> biosphere
=> depth
=> interplanetary space
=> interstellar space
=> heliosphere
=> intergalactic space
=> deep space
=> aerospace
=> zone
=> belt
=> bottom
=> county
=> distance
=> Eden, paradise, Nirvana, heaven, promised land, Shangri-la
=> extremity
HAS INSTANCE=> D-layer, D region
HAS INSTANCE=> Appleton layer, F layer, F region
HAS INSTANCE=> Heaviside layer, Kennelly-Heaviside layer, E layer, E region
=> hell, hell on earth, hellhole, snake pit, the pits, inferno
=> inside, interior
=> ionosphere
=> layer
=> outside, exterior
=> radius
=> side
=> air
=> vacuum, vacuity
=> top
=> zodiac
=> sign of the zodiac, star sign, sign, mansion, house, planetary house
HAS INSTANCE=> Cynoscephalae
HAS INSTANCE=> Witwatersrand, Rand, Reef
=> black hole
=> Kuiper belt, Edgeworth-Kuiper belt
=> mare, maria
Meronyms of noun d-region
Holonyms of noun d-region
1 sense of d region
Sense 1
D-layer, D region
PART OF: ionosphere
PART OF: atmosphere, air
PART OF: Earth, world, globe
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