 aether |
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| 1. | [ noun ] (Greek mythology,religion) personification of the sky or upper air breathed by the Olympians; son of Erebus and Night or of Chaos and Darkness | |
| Related terms: | Greek_deity | |
| 2. | [ noun ] a medium that was once supposed to fill all space and to support the propagation of electromagnetic waves | |
| Synonyms: | ether | |
| Related terms: | medium | |
