predissociation
/ˌpriːdɪˌsəʊʃɪˈeɪʃən/ /ˌpriːdɪˌsəʊsɪˈeɪʃn/Physics and Chemistry
noun
The passage of a molecule between a quantized vibrational and rotational state (above its ground state) and an unquantized dissociated state of the same energy, resulting in certain bands in the spectrum of the molecule being diffuse instead of having the normal rotational fine structure.
Origin
1920s. From pre- + dissociation; apparently coined by V. Henri and M. C. Teves.
- polymer
- polymerase
- polymerase chain reaction
- polymer chemist
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