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semiochemical

Line breaks: semio|chem¦ical
Pronunciation: /ˌsiːmɪə(ʊ)ˈkɛmɪk(ə)l
 
/

Definition of semiochemical in English:

noun

Biochemistry
A pheromone or other chemical that conveys a signal from one organism to another so as to modify the behaviour of the recipient organism.
Example sentences
  • Animals or even plants may emit different semiochemicals (including pheromones) which serve as sexual attractants, repellents to potential predators, or inducements to flight mode.
  • They expected to confirm that grapefruit is highly attractive to the Mexican fruit fly, probably because a grapefruit gives off semiochemicals - a type of chemical signature that insects identify by smell.
  • In particular, he is trying to determine whether genetically modified soybeans release the same semiochemicals as traditional soybean varieties to attract insects that parasitize stink bugs.

Origin

1970s: from Greek ēmeion 'sign' + chemical.

Definition of semiochemical in:

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Word of the day orthoepy
Pronunciation: ôrˈTHōəpē
noun
the correct or accepted pronunciation of words