Definition of kairomone in English:

kairomone

noun ˈkʌɪrəməʊnˈkīrəˌmōn

Biology

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.
〔生〕种间（外）激素，利它外激素，利它信息素
Example sentencesExamples
- ‘There are a lot of known kairomones, but most are worthless for commercial applications to monitor insects under field conditions,’ Henrick says.
- 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’.
- 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.

Origin

1970s: from Greek kairos ‘advantage, opportunity’, on the pattern of pheromone.

Definition of kairomone in US English:

kairomone

nounˈkīrəˌmōn

Biology

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.
〔生〕种间（外）激素，利它外激素，利它信息素
Example sentencesExamples
- Thus, natural selection should favor parasitoids that utilize as kairomones only the chemicals that uniquely and reliably identify potential hosts.
- But for some specialist insects, cyanide and cyanogenic compounds can serve as phagostimulants and kairomones.
- ‘There are a lot of known kairomones, but most are worthless for commercial applications to monitor insects under field conditions,’ Henrick says.
- According to Torr, ‘Tsetse use host kairomones to locate their hosts by a process termed ‘odour-mediated upwind anemotaxis’.
- 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.

Origin

1970s: from Greek kairos ‘advantage, opportunity’, on the pattern of pheromone.

单词	kairomone
释义	Definition of kairomone in English: kairomone noun ˈkʌɪrəməʊnˈkīrəˌmōn Biology 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. 〔生〕种间（外）激素，利它外激素，利它信息素 Example sentencesExamples ‘There are a lot of known kairomones, but most are worthless for commercial applications to monitor insects under field conditions,’ Henrick says. 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’. 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. Origin 1970s: from Greek kairos ‘advantage, opportunity’, on the pattern of pheromone. Definition of kairomone in US English: kairomone nounˈkīrəˌmōn Biology 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. 〔生〕种间（外）激素，利它外激素，利它信息素 Example sentencesExamples Thus, natural selection should favor parasitoids that utilize as kairomones only the chemicals that uniquely and reliably identify potential hosts. But for some specialist insects, cyanide and cyanogenic compounds can serve as phagostimulants and kairomones. ‘There are a lot of known kairomones, but most are worthless for commercial applications to monitor insects under field conditions,’ Henrick says. According to Torr, ‘Tsetse use host kairomones to locate their hosts by a process termed ‘odour-mediated upwind anemotaxis’. 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. Origin 1970s: from Greek kairos ‘advantage, opportunity’, on the pattern of pheromone.
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