1. Plural of eudiometer; instruments used to measure the volume of gases or to analyze the composition of gas mixtures, especially in chemistry and physics experiments.
Usage: technical; scientific; chiefly historical

Examples

• The chemistry lab was equipped with several eudiometers for measuring gas volumes.
• Early scientists used eudiometers to study the properties of different gases.
• The eudiometers in the museum collection demonstrate 18th-century analytical techniques.
• Students learned to calibrate eudiometers before conducting their gas analysis experiments.