Flammable Liquid Used as Vehicle Fuel
This page is the CodyCross answer for the clue below from Physics, Group 1886, Puzzle 3 (Thermometer).
Question is: Flammable Liquid Used as Vehicle Fuel
and the answer is: PETROLEUM
Word Meaning:
PETROLEUM — A flammable liquid ranging in color from clear to very dark brown and black, consisting mainly of hydrocarbons, occurring naturally in deposits under the Earth's surface.
Definitions from Wiktionary.