propellent
pro·pel·lent
noun
1.
something that propels
adjective
1.
tending to or capable of propelling
- “propellant fuel for submarines”
- “the faster a jet plane goes the greater its propulsive efficiency”
- “universities...the seats of propulsive thought”
Origin
From propel + -ent; originally from Latin prōpellēnt-, from prōpellēns, from prōpellō. Less common than propellant despite being more correct from an etymological viewpoint.
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WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.