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| lead glass | |||
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| crystal glass (оптическое стекло); flint glass | |||
| flintglass; flint glass (оптическое стекло) | |||
| flint-glass | |||
| flint glass (оптический материал) | |||
| lead glass | |||
| leadglass | |||
| flint glass (английский хрусталь) | |||
| crystal | |||
| flint | |||
| флинтгласе: 8 phrases in 4 subjects |
| Chemistry | 1 |
| Optics branch of physics | 1 |
| Perfume | 1 |
| Technology | 5 |