| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | streak | Geology | In geology, the streak of a mineral is the color of its powder when it is crushed, which is used for identification purposes. | 1 |
| 2 | streak | geology | In geology, streak refers to the color of the powder produced when a mineral is scraped against a rough surface. | 1 |
| 3 | streak | geology | Geologists use streak to identify minerals by rubbing the mineral against an unglazed porcelain plate to observe the color of the streak left behind. | 1 |
| 4 | streak | geology | In geology, the streak of a mineral is the color of the powder produced when it is dragged across a rough surface | 1 |