Air Pollution: The soiling of the atmosphere by contaminants to the point that may cause injury to health, property, plant, or animal life, or prevent the use and enjoyment of the outdoors.

 

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Air Pollution: The soiling of the atmosphere by contaminants to the point that may cause injury to health, property, plant, or animal life, or prevent the use and enjoyment of the outdoors.

Clean Air Act: The primary federal law governing efforts to control air pollution. Federal legislation addressing air pollution was first adopted in 1955 (Air Pollution Control Act, P.L. 84-159) to provide . . . View Full Definition

Impaired Capital: A bond portfolio strategy whose goal is to eliminate the portfolio's risk, in case of a general change in the rate of interest, through the use of duration.

Impaired Credit: When a company's total capital is less than the par value of all its capital stock.

Indicated Airspeed (IAS): A direct instrument reading obtained from an air speed indicator uncorrected for altitude, temperature, atmospheric density, or instrument error. Compare CALIBRATED AIRSPEED and TRUE AIRSPEED.

High-Wing Airplane: a monoplane with the single supporting surface mounted on top of the fuselage.

Impairment: An alteration of health status, assessed by objective medical criteria. This is a medical finding.

Helmet Hair: Wearing a motorcycle helmet tends to mess up one's hair. Removing the helmet usually leaves hair sticking out in all directions. This is called helmet hair. It can be minimized by use of spe . . . View Full Definition

Hair Shaft: The portion of a hair that extends above the skins surface.

Hair Root: The portion of a hair that extends from the skins surface to the hair bulb.