Hyperonyms
(has_hyperonym)
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08630039-n:
the extended spatial location of something
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Holonyms
(has_holo_part)
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08499057-n:
the mass of air surrounding the Earth
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Meronyms
(has_mero_part)
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08582157-n:
the lowest region of the ionosphere (35 to 50 miles up) that reflects low-frequency radio waves
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Meronyms
(has_mero_part)
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08582337-n:
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
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Meronyms
(has_mero_part)
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08582613-n:
a region of the ionosphere (from 50 to 90 miles up) that reflects radio waves of medium length
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Glosses
(gloss)
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05088804-n:
the spatial property of being crowded together
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Glosses
(gloss)
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08499057-n:
the mass of air surrounding the Earth
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Glosses
(gloss)
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08630039-n:
the extended spatial location of something
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Glosses
(gloss)
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09285648-n:
electron that is not attached to an atom or ion or molecule but is free to move under the influence of an electric field
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Glosses
(rgloss)
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05130402-n:
the shortest distance that permits radio signals (of a given frequency) to travel from the transmitter to the receiver by reflection from the ionosphere
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Glosses
(rgloss)
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08582157-n:
the lowest region of the ionosphere (35 to 50 miles up) that reflects low-frequency radio waves
|
Glosses
(rgloss)
|
08582337-n:
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
|
Glosses
(rgloss)
|
08582613-n:
a region of the ionosphere (from 50 to 90 miles up) that reflects radio waves of medium length
|
Glosses
(rgloss)
|
10820613-n:
English physicist remembered for his studies of the ionosphere (1892-1966)
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Glosses
(rgloss)
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11474774-n:
an acronym for emissions of light and very low frequency perturbations due to electromagnetic pulse sources; extremely bright extremely short (less than a msec) electrical flashes forming a huge ring (up to 400 km diameter) in the ionosphere
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Glosses
(rgloss)
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11500122-n:
a radio wave that is reflected back to earth by the ionosphere or a communications satellite; permits transmission around the curve of the earth's surface
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Glosses
(rgloss)
|
11500349-n:
a sky wave that is reflected by the ionosphere
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