1. a person who analyzes or who is skilled in analysis
Usage: British spelling
2. an instrument or device that analyzes something
Usage: British spelling; technical

Examples

• The financial analyser reviewed the company’s quarterly reports.
• She works as a data analyser for the research department.
• The laboratory purchased a new chemical analyser.
• The spectrum analyser detected unusual frequencies in the signal.
• As a skilled analyser, he could identify patterns others missed.
• The gas analyser measured the composition of the air sample.