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principal quantum number
[ prin-suh-puhl kwon-tuhm nuhm-ber ]
noun
Physics.
- the nonnegative, integral quantum number that defines the stationary orbits in the Bohr model of the atom.
principal quantum number
/ ±è°ùIJÔ′²õÉ™-±èÉ™±ô /
- See under quantum number
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˜yÐÄvlog History and Origins
Origin of principal quantum number1
First recorded in 1920–25
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