Which Joe gave his name to ‘sloppy joes’? We look at five interesting sandwiches and their lexical origins.
Of or denoting a crystal system or three-dimensional geometrical arrangement having three axes at right angles, two of them equal.
- ‘Furthermore, we see that the molecular rows along the a axes are in perfect alignment with the underlying layers, as one would expect for the tetragonal lattice of the CO-HbC crystals.’
- ‘Xenotime crystals exhibit tetragonal prisms, dipyramids, and pinacoids, whereas zircon may exhibit first- and second-order tetragonal prisms, dipyramids, and pinacoids.’
- ‘Zircon (variety cyrtolite) commonly forms curved tetragonal crystals that radiate from a base of biotite crystals and terminate in adjacent feldspar.’
- ‘Narsarsukite is another tetragonal mineral that can show a tetragonal prismatic habit, particularly when it develops in open cavities.’
- ‘The crystals are stepped tetragonal pyramids (somewhat resembling anatase) associated with chrysocolla.’
- ‘Superb, equant tetragonal crystals occur on quartz in the junction pockets.’
- ‘The crystals are typically tetragonal dipyramids with pinacoids.’
- ‘Rutile is a tetragonal mineral famous for its variety of crystal habits and twinning.’
- ‘Small, black, tetragonal anatase crystals associated with rutile were found on microcline by Kile.’
Late 16th century: via late Latin from Greek tetragōnon (neuter of tetragōnos four-angled) + -al.
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.