Which Joe gave his name to ‘sloppy joes’? We look at five interesting sandwiches and their lexical origins.
A hydrocarbon with several carbon–carbon double bonds, especially one having a chain of conjugated single and double bonds.
- ‘They have anchored bimetallic catalysts, such as a ruthenium-tin catalyst, to the insides of such molecular sieves and have found that they can selectively hydrogenate cyclic polyenes.’
- ‘As the chromophore is a polyene, there are several double bonds capable of isomerization.’
- ‘A protein-bound polyene chromophore is not the same as a polyene trapped within the cavity of an amorphous solid.’
- ‘During equilibration the structure was stable and retinal assumed a fairly planar conformation, which showed a mild twist distributed over the main chain of the polyene.’
- ‘In nonpolar polyenes the lowest-lying funnel corresponds to a 3 kink with both double and adjacent single bonds twisted, which may initiate hula-twist isomerization.’
Are you looking for a word for a foolish person? We explore twelve interesting words to describe the dunderheads in your life.
Before you run for the hills, let’s run through a list of ‘run’ expressions that are running through our minds.
The definitions of ‘buddy’ and ‘bro’ in the OED have recently been revised. We explore their history and increase in popularity.