Analyser
- American English
- American and British English spelling differences
- Analysis
- Autoanalyser
- Automated analyser
- Breathalyzer
- British English
- Bus analyzer
- Chromatography
- Differential analyser
- Electron microprobe
- Flow measurement
- High-performance liquid chromatography
- Lexical analysis
- Logic analyzer
- Network analyzer (electrical)
- Packet sniffer
- Process (engineering)
- Quadrupole mass analyzer
- Salinity
- Sodium chloride
- Spectrum analyzer
- Ultraviolet/Visible spectroscopy
- Vector signal analyzer