Which Joe gave his name to ‘sloppy joes’? We look at five interesting sandwiches and their lexical origins.
A curve traced by a point on the circumference of a circle rolling on the exterior of another circle.
- ‘He also investigated caustic curves and in particular he studied these associated curves of the parabola, the logarithmic spiral and epicycloids around 1692.’
- ‘Galileo defended the ‘epicycloids’ of Copernicus, even though Kepler already had presented a much better theory.’
- ‘The nephroid is the epicycloid formed by a circle of radius a rolling externally on a fixed circle of radius 2a.’
- ‘These are the epicycloid, the epitrochoid, the hypocycloid and the hypotrochoid and they are traced by a point P on a circle of radius b which rolls round a fixed circle of radius a.’
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.