propellant

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propellant

(prŏ-pĕl′ănt) [L. propellere, to drive forward]
Any agent that forces another to move in a desired direction. Inhaled medications rely on propellants to improve drug delivery to patients. Hydrofluoroalkane propellants are used in metered dose inhalers, i.e., in canisters that deliver drugs such as beta-agonists or anticholinergic agents to patients with asthma or chronic obstructive lung disease.
References in periodicals archive ?
BAE Systems began producing MK 90 propellant grains in October 2012, with the first delivery occurring in August 2013.
Port pressure is the amount of propellant gas available at the gas port hole in the barrel.
In the past, propellant tanks have been fabricated out of metals.
All operations to fill the propellants are progressing as planned and will continue through the night," ISRO spokesperson S.
Others have focused more on the precision of munitions than on the explosives and propellants that go into them.
Medical aerosol propellants are a secondary target of the phase-out, which initially concentrated on CFCs in refrigeration.
Currently, Pennsylvania Department of Environmental Protection (DEP) issues permits to purchase and/or sell propellant powders and/or small arms ammunition primers in Pennsylvania.
Ellery Villalobos, the ammunition team chief, stands a distance away from the vehicle, a red propellant bag slung over his shoulder.
At Edwards, officials believe the contamination came from an area where solid propellants were ground down.
Mr Dromey dismissed the comment about in-service propellants as 'weasel words', saying: 'That is because it is the tried-and-tested Bishopton factory that has met the needs of our armed forces for half a century.