ferruginous: 61 phrases in 19 subjects |
Agrochemistry | 10 |
Biology | 3 |
Chemistry | 1 |
Construction | 1 |
General | 1 |
Geography | 2 |
Geology | 10 |
Gold mining | 2 |
Makarov | 4 |
Medical | 1 |
Metallurgy | 4 |
Mineralogy | 1 |
Ornithology | 12 |
Petrography | 2 |
Pulmonology | 1 |
Pulp and paper industry | 1 |
Soil science | 1 |
Technology | 3 |
Textile industry | 1 |