Which Joe gave his name to ‘sloppy joes’? We look at five interesting sandwiches and their lexical origins.
A chemical substance emitted by an organism and detected by another of a different species which gains advantage from this, e.g. a parasite seeking a host.
- ‘But for some specialist insects, cyanide and cyanogenic compounds can serve as phagostimulants and kairomones.’
- ‘Thus, natural selection should favor parasitoids that utilize as kairomones only the chemicals that uniquely and reliably identify potential hosts.’
- ‘According to Torr, ‘Tsetse use host kairomones to locate their hosts by a process termed ‘odour-mediated upwind anemotaxis’.’
- ‘‘There are a lot of known kairomones, but most are worthless for commercial applications to monitor insects under field conditions,’ Henrick says.’
- ‘Unlike a pheromone, which involves only one species, kairomones are chemicals emitted by one species - in this case pears - that attract and benefit another, such as codling moths.’
Late 20th century: from Greek kairos advantage, opportunity, on the pattern of pheromone.
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.