1. a translucent, jellylike petroleum product used as a protective ointment and lubricant
Usage: medical; cosmetic

Examples

• The nurse applied petrolatum to prevent the bandage from sticking to the wound.
• Petrolatum is commonly used to treat dry, cracked skin.
• The mechanic used petrolatum to lubricate the small metal parts.
• Many lip balms contain petrolatum as a moisturizing ingredient.
• The doctor recommended petrolatum to protect the baby’s diaper area.
• Petrolatum creates a barrier that helps retain skin moisture.