propellent

propel +‎ -ent; originally from Latin prōpellēnt-, from prōpellēns, from prōpellō. Less common than propellant despite being more correct from an etymological viewpoint.

propellent (plural propellents)

1. Alternative spelling of propellant

propellent (comparative more propellent, superlative most propellent)

1. Capable of propelling.
   • 1845, The Lancet snippet only

     and directed the abstraction of blood for its removal, after which the pains became more propellent, […]

   • 1915, Leonard Metcalf, Harrison Prescott Eddy, American Sewerage Practice, page 137:

     whereas if more propellent force is required, an explosive lower in the table should be selected.

• prepollent

prōpellent

1. third-person plural future active indicative of prōpellō