Which Joe gave his name to ‘sloppy joes’? We look at five interesting sandwiches and their lexical origins.
A plane figure with seven straight sides and angles.
- ‘They wore dark blue and red armor, and had a gold heptagon tattooed over their elongated green faces.’
- ‘In this case, all of the points lying along a line through this circle's center and perpendicular to the plane of the heptagon are equidistant from the polygon's vertices.’
- ‘High above us, the great heptagon of the Winter sky: Capella, Aldebaran, Rigel, Sirius, Procyon, Pollux, and Castor (with Saturn nearby) - with Betelgeuse in the center and the Milky Way cascading through, just to the left of Orion.’
- ‘The book promptly answered his question: A heptagon has seven sides.’
- ‘Construct a heptagon, given the seven points that are the midpoints of its sides.’
- ‘A heptagon whose sides have length 2 is too large to fit tightly around a circle with radius 1.’
Late 16th century: from Greek heptagonon, neuter (used as a noun) of heptagonos ‘seven-angled’.
We take a look at several popular, though confusing, punctuation marks.
From Afghanistan to Zimbabwe, discover surprising and intriguing language facts from around the globe.
The definitions of ‘buddy’ and ‘bro’ in the OED have recently been revised. We explore their history and increase in popularity.