 |
| |||
| abreviatura de pyrogallol; ácido pirogólico | |||
| |||
| piro- (Prefix denoting a substance formed or obtained by heat) | |||
| Angielski tezaurus | |||
| |||
| quadrangle | |||
| pyrogallol (developer) | |||
| pyrotechnic | |||
| pyrotechnic; pyrotechnical | |||
| |||
| pyromaniac; pyrotechnics | |||
| |||
| pyrotechnics; pyrotechnical | |||
| pyroxylin | |||
|
PYRO : 4 do fraz, 3 tematyki |
| Broń i rusznikarstwo | 1 |
| Inżynieria mechaniczna | 1 |
| Nauka o ziemi | 2 |