Simple past tense and past participle of vaseline.(verb)
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Use "vaselined" in a sentence
"For the older child, before a certain meal each day, a well-vaselined piece of cotton may be inserted in the rectum; this often produces a bowel movement immediately after the meal."
"The under surface, of the lips of the beakers should be vaselined to prevent the water trickling down the sides."
"You did not love the floor of a flat-car nor guns with canvas jackets and the smell of vaselined metal or a canvas that rain leaked through, although it is very fine under a canvas and pleasant with guns; but you loved some one else whom now you knew was not even to be pretended there; you seeing now very clearly and coldly -- not so coldly as clearly and emptily."