Which Joe gave his name to ‘sloppy joes’? We look at five interesting sandwiches and their lexical origins.
A formula giving the proportions of the elements present in a compound but not the actual numbers or arrangement of atoms.
- ‘Butene and ethene have the same empirical formula CH 2 but different molecular and structural formulas.’
- ‘The simplest version of the formula is the empirical formula.’
- ‘The empirical formula of a compound is that which is obtained through laboratory research.’
- ‘When the chemical formula of an ionic compound is written down, it is the empirical formula that is used.’
- ‘Analysis showed it to have an empirical formula that doesn't correspond to any compound that's ever been reported.’
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.