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{%type%} Definitions

WordNet 3.0Copyright Princeton University


Short "hint"

The force that drives a vehicle forward.

Usage examples (37)
  • The jet propulsion laboratory has many scientists working on ways to make more efficient and clean jet fuel.
  • For example, Glenn's expertise is in propulsion, power and communications.
  • The propulsion is all-chemical, and requires no new technology development.
  • Chemical propulsion is the same technology, and the costs haven't come down very far. for more
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