| |||
| areaway; atrium; halation; halo | |||
| light-well; patio; air shaft; skylight; yard, quadrangle, courtyard, inner court; open inner courtyard | |||
| halation (cathode-ray tube) | |||
| halo (of light) | |||
| aureola | |||
| halo (pho) | |||
| |||
| areaways | |||
|
Lichthof : 5 phrases in 3 subjects |
| Earth sciences | 2 |
| Electronics | 2 |
| Physics | 1 |