inversion spectrum

noun

: a microwave absorption spectrum (as of ammonia vapor) attributed in quantum mechanics to quantized changes in molecular structure from one arrangement to another that is the mirror image of the first

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“Inversion spectrum.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/inversion%20spectrum. Accessed 28 Mar. 2023.

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