Definition of pseudorotation in English:
pseudorotation
noun ˌs(j)uːdə(ʊ)rə(ʊ)ˈteɪʃn
Chemistry A change in molecular configuration involving concerted displacements of the constituent atoms, which is equivalent to a rotation of the molecule (in some cases coupled with an interchange of some of the constituents), but does not involve any actual rotation of the molecule.
Origin
1940s. From pseudo- + rotation. Compare later pseudorotate.
Definition of pseudorotation in US English:
pseudorotation
nounˌs(j)uːdə(ʊ)rə(ʊ)ˈteɪʃn
Chemistry A change in molecular configuration involving concerted displacements of the constituent atoms, which is equivalent to a rotation of the molecule (in some cases coupled with an interchange of some of the constituents), but does not involve any actual rotation of the molecule.
Origin
1940s. From pseudo- + rotation. Compare later pseudorotate.