Aerosol

Science / Chemistry / Aerosol: A colloid in which solid particles or liquid droplets are suspended in a gas. Smoke is an example of a solid aerosol; fog is an example of a liquid aerosol.

Pollutant

Science / Weather / Pollutant: Particles, gases, or liquid aerosols in the atmosphere which have an undesirable effect on humans or their surroundings. Something unfavorable to health and life that has been added to the environment MORE

Hantavirus Cardiopulmonary Syndrome

Health / Disease / Hantavirus Cardiopulmonary Syndrome: A deadly disease transmitted to humans by infected rodents through urine, droppings, or saliva. Humans can contract the disease when they breathe in aerosolized virus. Although rare it has a high mort MORE

Propellant

Science / Chemistry / Propellant: 1. A mixture of fuel and oxidizing agent that reacts to produce a high-energy stream of product gases that can produce thrust. For examples, see What makes a good rocket fuel? 2. A compressed gas used MORE

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