Which Joe gave his name to ‘sloppy joes’? We look at five interesting sandwiches and their lexical origins.
An atom or group of atoms taking the place of another atom or group or occupying a specified position in a molecule.
- ‘Other substituents coax beta-peptides into antiparallel hairpin and sheetlike structures.’
- ‘Any groups attached to the main chain are called substituents, they are there in place of hydrogen atoms.’
- ‘In an interstitial solid solution, substituent atoms or ions are added to void spaces (interstitial sites) between normal atomic sites.’
- ‘Under rigorous conditions benzene will undergo substitution for one of its hydrogen substituents, by a process called electrophilic aromatic substitution.’
- ‘These compounds differ in the level of oxidation of the flavane nucleus and in the number and position of hydroxyl, methyl, and methoxyl substituents.’
Late 19th century: from Latin substituent- ‘standing in place of’, from the verb substituere (see substitute).
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.