Which Joe gave his name to ‘sloppy joes’? We look at five interesting sandwiches and their lexical origins.
A refracting telescope with a split objective lens, used for finding the angular distance between two stars.
- ‘The heliometer is shown on display at the Science Museum in London.’
- ‘And so, the phenomenon in 1882 was observed by cameras held by the French and the Americans, and timings were measured with the help of heliometers in most European organizations.’
- ‘He also determined the distances, using the heliometer, of twenty of the brighter and nearer Southern stars.’
- ‘A heliometer is a refractor, with the objective cut in two, which was used to measure small angular distances.’
- ‘After the expedition the heliometer was donated to the Observatory who built a tower for it.’
Mid 18th century: from helio- of the sun + -meter (because it was originally used for measuring the diameter of the sun).
Are you looking for a word for a foolish person? We explore twelve interesting words to describe the dunderheads in your life.
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.