molecular beam
noun
: a stream of molecules that escape at thermal speeds from a heated enclosure, that are controlled by slits so as to move in nearly parallel paths, and that are used in determining the electric and magnetic properties of atoms, atomic nuclei, and molecules
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“Molecular beam.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/molecular%20beam. Accessed 26 Nov. 2024.
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