noun. Petroleum jelly (now sold by Unilever) under the trade name Vaseline.

noun. Any petroleum jelly or similar lubricant.

noun. A greenish-yellow coloured glass, or the colouring used in the manufacture of this glass.

verb. To lubricate with vaseline.

"These will take a spark and ignite very easily, and they burn brightly for several minutes as the vaseline is re-liquified and consumed (like a large candle)."

gasoline