Which Joe gave his name to ‘sloppy joes’? We look at five interesting sandwiches and their lexical origins.
A solid figure having three sides or faces (in addition to the base or ends).
- ‘Instead of vector components the orthonormal trihedrons of coordinate systems are subjected to transformations.’
- ‘However, these trihedra were much larger and were growth defects which arose from a mechanism other than the condensation of vacancies or the release of misfit strain.’
- ‘A line making equal angles with the edges of a trihedron is called an isoclinal line of the trihedron.’
- ‘A set of possible initial registrations is generated searching and aligning pairs of compatible trihedra from different views.’
- ‘If this antenna is perfect, the axes of the two trihedrons would be respectively parallel to each other.’
- ‘A hollowed trihedron replica is thus obtained having exactly the same shape as the model.’
- ‘Besides chopping-tools, polyhedrons and some cleavers, trihedrons and bifaces form the most characteristic element within the tools.’
- ‘From now on, we will move trihedrons to restore their positions and colors, without moving dihedras.’
Early 19th century: from tri- ‘three’+ -hedron, on the pattern of words such as polyhedron.
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.