It is the combination hot air rising and subsequent vacuum effect in the room below which ensures that smoke from a fireplace fire will go up a chimney. without the control of the chimney flue, this effect could quickly lead to a fireplace fire getting too hot for the fireplace to handle.
oilcloth. (textiles). A fabric coated with a mixture of oil and clay, used as a waterproof covering. A floor covering made of a heavy fabric treated with oil paint.
Princeton's WordNet (0.00 / 0 votes) Rate this definition: oil (noun). a slippery or viscous liquid or liquefiable substance not miscible with water. oil, oil color, oil colour (noun). oil paint containing pigment that is used by an artist.