Which Joe gave his name to ‘sloppy joes’? We look at five interesting sandwiches and their lexical origins.
[mass noun] A hydrophilic amino acid which is a constituent of most proteins. It is an essential nutrient in the diet of vertebrates.
- ‘The essential amino acids are histidine, tryptophan, threonine, valine, phenylalanine, leucine, methionine, lysine, and isoleusine.’
- ‘Nitrogen limitation in plants could explain the use of the polar amino acids serine and threonine instead of nitrogen-containing asparagine as in P. falciparum.’
- ‘In animal cells serine, threonine and tyrosine are the amino acids subject to phosphorylation.’
- ‘The aspartate can be used as a precursor for the synthesis of other amino acids such as asparagine, threonine, isoleucine, leucine, valine, lysine, and methionine.’
- ‘The amount of the amino acids threonine, proline and histidine were also increased in roots of slag-cultivated maize plants.’
1930s: from threose (the name of a tetrose sugar) + -ine.
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.