- A - B - C - D - E - F - G - H - I - J - K - L - M - N - O - P - Q - R - S - T - U - V - W - X - Y - Z
- Air Cooled Heat Exchanger (ACHE)
- Air Pressure Drop (APD)
- Alarm High (AH)
- Alarm Low (AL)
- Automatic Gain Compensation (AGC)
- A - B - C - D - E - F - G - H - I - J - K - L - M - N - O - P - Q - R - S - T - U - V - W - X - Y - Z
- Compressibility (http://www.w3.org/1998/Math/MathML"><mi>β</mi></math>">ββ)
- Compressed Air (CA)
- Compressor Control System (CCS)