Which Joe gave his name to ‘sloppy joes’? We look at five interesting sandwiches and their lexical origins.
An alloy of copper and tin used to make mirrors, especially formerly for telescopes.→ speculum
- ‘The original mirror, currently on display in Liverpool Museum, was cast in speculum metal, a special alloy of copper and tin.’
- ‘They were made of low-reflectivity speculum metal - a copper - tin alloy containing 45 percent tin.’
- ‘The composition is 7 of tin to 22 of copper, melted twice over, as in speculum metal, to secure a perfect alloy.’
- ‘They are now made by ruling, with a diamond-point, a polished surface, such as glass or speculum metal.’
- ‘At first he tried to follow Newton's advice and make glass mirrors back-coated with a tin-mercury amalgam, but he soon switched to speculum metal.’
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Before you run for the hills, let’s run through a list of ‘run’ expressions that are running through our minds.
The definitions of ‘buddy’ and ‘bro’ in the OED have recently been revised. We explore their history and increase in popularity.