Aitken nucleus

noun Ait·ken nucleus \ ˈāt-kən- \

Definition of Aitken nucleus

meteorology
: a microscopic aerosol particle in the atmosphere that encourages condensation to gather into a droplet
  • Using air samples collected from a 65-foot tower in a eucalyptus forest in Portugal, the researchers found an abundance of tiny aerosols, known as Aitken nuclei, that could only have been produced locally.
  • —Henry FountainNew York Times3 Nov. 1998

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Origin and Etymology of aitken nucleus

after John Aitken †1919 Scottish meteorologist and engineer


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