---
title: Glossary
description: Sawyer Compressor is your trusted source of compressed air information. Check out our glossary of key compressed air terminology to find the information you need.
---

# Glossary

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Use this glossary to find definitions for key terms related to compressed air systems. Brought to you by our compressed air experts at Sawyer Compressor.

### Air Compressor Terminology

All 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

Aftercooler Air Bearings Air-Cooled Compressors Base Plate Boolean Logic Capacity Capacity, Actual Casing Check Valve Clearance Clearance Pocket Compressibility Compression Ratio Compression, Adiabatic Compression, Isentropic Compression, Isothermal Compression, Polytropic Critical Pressure Critical Temperature Diaphragm Diaphragm Routing Diffuser Digital Controls Displacement Dynamic Air Compressor Efficiency Efficiency, Compression Efficiency, Isothermal Efficiency, Mechanical Efficiency, Polytropic Efficiency, Volumetric Exhauster Expanders Filters Flange Connection Fluidics Free Air Gas Gas Bearings Guide Vane Head, Adiabatic Head, Polytropic Horsepower, Brake Horsepower, Indicated Horsepower, Theoretical or Ideal Humidity, Relative Humidity, Specific Impeller Indicator Card Inducer Intercooler Intercooling Intercooling, Degree of Intercooling, Perfect Land Factor Liquid Piston Air Compressor Logic Controls Multicasing Air Compressor Multistage Axial Air Compressor Multistage Centrifugal Air Compressor Multistage Air Compressor Overhung Centrifugal Air Compressor Pedestal Centrifugal Air Compressor Performance Curve Piston Displacement Positive Displacement Air Compressor Power Wheel Power, Theoretical Pressure Ratio Pressure Rise Pressure, Absolute Pressure, Discharge Pressure, Intake Pressure, Static Pressure, Total Pressure, Velocity Receivers Reciprocating Air Compressor Reduced Pressure Reheater Reynold’s Number Rotary Air Compressor Rotary Liquid Piston Air Compressor Rotor Seals Shaft Shaft Sleeves Single-Stage Air Compressor Single-Stage Centrifugal Air Compressor Sliding Vane Air Compressor Sole Plate Specific Gravity Specific Heat Specific Weight Speed Stability (or Percentage Stability) Stages Standard Air Super Compressibility Surge Limit (Pumping or Pulsation Point) Temperature Rise Ratio Temperature, Absolute Temperature, Discharge Temperature, Intake Temperature, Static Temperature, Total Thrust Balancing Device (Balance Piston or Drum) Torque Turbine Two-Stage Air Compressor Unit Air Compressor Vacuum Pump Valve Volute Water-Cooled Air Compressor

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If you have questions about our services, equipment, or team, contact us! We’re happy to provide the answers you’re looking for and/or direct you to the compressed air solution that’s right for you. 

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