1. people who are excessively concerned with precision, accuracy, or strict adherence to rules
Usage: plural form; often implies excessive or pedantic attention to detail

Examples

• The precisians in the accounting department checked every figure three times.
• As precisians, they insisted on following the manual exactly.
• The editing team was full of precisians who caught every minor error.
• Some viewed them as helpful precisians, others as annoying nitpickers.
• The precisians demanded that all measurements be accurate to the nearest millimeter.
• In scientific research, precisians often make the best laboratory technicians.