1. a liquid used to wash out or extract a substance from a mixture, especially in chromatography
Usage: chemistry; technical

Examples

• The chemist selected methanol as the eluant for the column chromatography.
• Different eluants were tested to achieve better separation of the compounds.
• The eluant flowed through the column at a controlled rate.
• Water served as an effective eluant for this particular analysis.
• The laboratory technician prepared fresh eluant for each experiment.
• Choosing the right eluant is crucial for successful purification.