Aitken nucleus

noun Ait·ken nucleus \ˈāt-kən-\

Definition of Aitken nucleus


  1. :  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 Fountain, New York Times, 3 Nov. 1998

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Origin and Etymology of aitken nucleus

after John Aitken †1919 Scottish meteorologist and engineer

First Known Use: 1906

Seen and Heard

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a brief usually trivial fact

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