| Webster's Online Dictionary |
| Expressions | Domain | Definition | |
| Beam radiation | Energy | Solar radiation that is not scattered by dust or water droplets. (references) | |
| Beam radiation | Solar | Synonym for direct normal irradiance, the amount of solar radiation from the direction of the sun. Click Shining On (Figure 3) to see solar components. (references) | |
| Direct beam radiation | Energy | Solar radiation that arrives in a straight line from the sun. (references) | |
Source: compiled by the editor from various references; see credits. | Top | ||
