Which Joe gave his name to ‘sloppy joes’? We look at five interesting sandwiches and their lexical origins.
(of minerals and other materials) formed in their present position.Often contrasted with allogenic
- ‘This mineral is probably authigenic clay that formed in the spring waters while the silica was being precipitated.’
- ‘To determine the stable isotope composition of authigenic cements with a high spatial resolution, samples for stable isotope analyses were taken from polished slabs using a hand-held microdrill.’
- ‘Detrital quartz from an igneous source is usually substantially brighter in luminescence than quartz of an authigenic origin.’
- ‘Later, authigenic quartz was precipitated and carbonate phases were partly silicified.’
- ‘These may be reprecipitated and incorporated into authigenic materials, such as glauconite, various carbonates, and iron and manganese oxides.’
- ‘He regarded the iron phosphate strengite to be the typical form of authigenic phosphate in freshwater deposits.’
- ‘The trend is produced by the presence of variable amounts of hemipelagic mud in the authigenic carbonates.’
Late 19th century: from Greek authigenēs born on the spot + -ic.
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.