If you mean W as in 10W30 motor oil, it stands for Winter. The thickness of those oil changes with the temperature- they are not as thick (viscous) in cold weather, but get thicker as they warm up. Makes it easier to start the engine in cold weather.
Winter
The W in 10W-30 (example) stands for Winter.
Winter or cold temperatures.
The "W" stands for weight. The "W" stands for winter. 5w30 is a multi viscosity oil. It acts like both 30 weight in warm weather, and 5 weight oil in cold weather.
galleano bottle with spout and electrical stand
W. W. Lewis
-15 degrees in the winter and 140 degrees in the summer its the measere of temp the oil is made to with stand the w stands for winter
william
wonders of the world
Walker
A+W stands for Allen and Wright, the founders of A+W.
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