heavy ion


noun

the nucleus of a heavy element.

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Example sentences from the Web for heavy ion

Scientific definitions for heavy ion

heavy ion

The nucleus of a heavy element, such as gold. Collisions of heavy ions are induced in particle accelerators to explore the internal structure quark structure of the nuclei; recent experiments suggest that the extremely high temperatures generated by such collisions can create a short-lived plasma of quarks and gluons.
A charged microscopic particle that forms when ions attach to a dust mote or similar object.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.