propellant

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Related to propellent: Aerosol propellant

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 ?
A switch to Pyrodex as a propellent gave similar results.
Tests stopped in the mid-1960s, and the unused propellent was placed in storage.
And the additional motor length accommodates more propellent, thereby increasing range.
Despite early experiments with sodium bicarbonate--ordinary baking soda--the era of foamed plastics had to await the results of German work on hydrazine-based rocket propellents during World War II.
Propellents used in these older aerosol cans have since been replaced with environmentally friendly ones.
There is already a strong precedent for this kind of chemical "stand down" in the impending ban of chlorofluorocarbons (CFCs), the now-notorious class of chemicals once almost universally used as refrigerants and spray-can propellents.
With the ignition of propellents, the small plug of HEU travels down the barrel mating with the larger piece into supereritical assembly.
Without chlorofluorocarbon refrigerants and propellents, there would be no hole in the ozone.
This research provides analysis of the personal care chemicals market in Brazil regarding to surfactants, fragrances, emollients, UV filters, propellents, and polymer compounds.
Compatible with different propellents, it can be used in both anhydrous and alcohol-free spray systems.
Both provide substantially higher velocities than handloaders can safely achieve because the propellents required are not available to them.
Other powders can do as well, but my particular rifles have shown their preferences for those three Du Pont propellents.