| Answer | Crossword Clue |
|---|---|
| strass | flint glass with a high lead content, used to imitate gemstones |
| specula | any of several bronze alloys with a high tin content, often containing other materials, as silver, brass, lead, zinc, or arsenic, used for making mirrors and reflectors |
| speculum | any of several bronze alloys with a high tin content, often containing other materials, as silver, brass, lead, zinc, or arsenic, used for making mirrors and reflectors |
