circularization

• circularisation

circular +‎ -ization

• (UK) IPA^(key): /ˌsɜɹ.kjuː.lə.ɹaɪˈzeɪ.ʃən/

circularization (countable and uncountable, plural circularizations)

1. The distribution of publicity circulars.
2. The act or process of making something circular in form.
3. (physics) The act of driving an atom into a circular state.
   • 2018 May 31, S. Patsch et al, “Fast and accurate circularization of a Rydberg atom”, in Physical Review A, volume 97, →DOI, page 053418:

     We refer to circularization as transfer from the lowest-lying state of the ${\displaystyle m_{\ell }=2}$ ladder to the circular state.

• decircularization