Bible Encyclopedias
Perturbations

The Nuttall Encyclopedia

Name given to irregularities or slight deviations in the movement of a heavenly body, due chiefly to the neighbourhood of another point in its orbit.

Bibliography Information
Wood, James, ed. Entry for 'Perturbations'. The Nuttall Encyclopedia. https://www.studylight.org/​encyclopedias/​eng/​nut/​p/perturbations.html. Frederick Warne & Co Ltd. London. 1900.