vaseline
US /ˈvæs.ə.liːn/
UK /ˈvæs.ə.liːn/

1.
a brand of petroleum jelly, a semi-solid mixture of hydrocarbons, used as a topical ointment or lubricant
:
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She applied Vaseline to her dry lips.
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He used Vaseline to lubricate the squeaky hinge.
1.
petroleum jelly, a semi-solid mixture of hydrocarbons, used as a topical ointment or lubricant
:
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You can use vaseline to protect your skin from windburn.
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A thin layer of vaseline can prevent chafing.