Which Joe gave his name to ‘sloppy joes’? We look at five interesting sandwiches and their lexical origins.
[mass noun] A hard and very brittle solid solution of carbon in iron that is the main constituent of hardened steel.
- ‘Trip steels have a microstructure with retained austenite, ferrite and martensite.’
- ‘During this heat treatment all of the austenite transforms to martensite.’
- ‘The martensite of quenched tool steel is exceedingly brittle and highly stressed.’
- ‘With hardening of steels, by chilling after previous heating, the structure is converted from austenite to martensite.’
- ‘The ability of steel to form martensite on quenching is referred to as the hardenability.’
Late 19th century: named after Adolf Martens (1850–1914), German metallurgist, + -ite.
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.