Related Words

Air Traffic Control (ATC): A service operated by the appropriate authority to promote the safe, orderly, and expeditious flow of air traffic.

Intensity Control: A control for regulating the intensity of background illumination on the radarscope. Also called brilliance control.

Inert Pair: Valence electrons in an s orbital penetrate to the nucleus better than electrons in p orbitals, and as a result they're more tightly bound to the nucleus and less able to participate in bond . . . View Full Definition

Internal Control Structure: Safeguards in the form of policies and procedures established to provide management with reasonable assurance that the objectives of an entity will be achieved.

Indoor Air: Breathing air inside a habitable structure, often highly polluted because of lack of exchange with fresh oxygen from outdoors. Solvents, smoke, paints, furniture glues, carpet padding, and o . . . View Full Definition

International Airlines Travel Agent Network (Iatan): International airlines travel agent network - administers the iatan card, the only widely accepted form of legitimate travel agent identification.

Laminar-Flow Airfoil: A low-drag airfoil designed to maintain laminar (smooth, continuous) flow over a high percentage of the CHORD about itself. Often relatively thin, especially along the leading edge, with mos . . . View Full Definition

Laisse-Faire: Doctrine that a government should not interfere with business and economic affairs.

Internet Control Message Protocol (ICMP): A message control and error-reporting protocol between a host server and a gateway to the Internet. ICMP uses Internet Protocol (IP) datagrams, but the messages are processed by the IP softw . . . View Full Definition

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.