| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | infinite surface region | mathematics | A concept in mathematics and physics used to describe a surface that extends indefinitely without boundaries or limits. | 1 |
| 2 | infinite surface region | mathematics | Infinite surface regions are a common concept in mathematics and science, used to describe unbounded or limitless areas of space. | 1 |
| 3 | spheroid | mathematics | A spheroid is a three-dimensional shape that is similar to a sphere but not perfectly round, with its equatorial diameter larger than its polar diameter. | 1 |
| 4 | spheroidal surface | mathematics | Described and analyzed extensively in the context of geometry and planetary physics | 1 |