1. in a way that promotes health and prevents disease through cleanliness

Examples

• The food was prepared hygienically in the restaurant kitchen.
• Medical instruments must be stored hygienically to prevent infection.
• She washed her hands hygienically before handling the baby.
• The water treatment plant processes waste hygienically.
• All surfaces should be cleaned hygienically in healthcare facilities.
• The meat was packaged hygienically at the processing plant.