different between impelling vs impellent

English

impelling

impellent (comparative more impellent, superlative most impellent)

Having the quality of being impelling.
- 1827, John Farey, A Treatise on the Steam Engine Historical, Practical, and Descriptive, page 181:
  Hence, the excess of impellent force which was given to the piston, beyond what was absolutely requisite to overcome the resistances to its motion, was made available to prolong that motion, beyond the point at which the impellent force […]

impellent (plural impellents)

An impelling power or force.
- 1665, Joseph Glanvill, Scepsis Scientifica
  blind impellents and material conveyances

impellent

Send