1. past tense of cohobate; to subject (a liquid, especially a distilled spirit) to repeated distillation or redistillation to increase its purity or strength.
Usage: archaic; chiefly historical in alchemy and early chemistry

Examples

• The alchemist cohobated the spirit multiple times to achieve greater purity.
• Medieval distillers cohobated their products to concentrate the active compounds.
• The liquid was cohobated several times before it reached the desired strength.
• Early chemists cohobated alcohol to remove impurities and improve quality.