| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | ether | Western countries | In Western countries, ether is commonly associated with early scientific theories and is no longer widely used as an anesthetic. | 1 |
| 2 | ether | Western countries | Ether was historically believed to be a substance that fills the upper regions of space and was used in early theories of the universe. | 1 |
| 3 | ether | Western culture | Ether was historically considered to be the substance that filled the upper regions of space in Western philosophy and science. | 1 |