Definition of "volatiles" []

• The volatile part of a petroleum fraction (noun)
• The volatile parts of a planet's atmosphere or crust (noun)

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• "Once the curry bubbles, add the pineapple pieces and cover and simmer for just 2 mins more and cover to let the volatiles from the spices flavor the gravy."
• "However, it appears that the moons of Mars may be captured asteroids and could be abundant in volatiles."
• "Pumice is a type of extrusive volcanic rock, produced when lava with a very high content of water and gases (together these are called volatiles) is extruded (or thrown out of) a volcano."