fog line

Etymology

Definitions

1. 1

   The boundary of a body of air, contacting the earth's surface, that has fallen below the…

   The boundary of a body of air, contacting the earth's surface, that has fallen below the dew point and usually contains fog.

2. 2

   A division in altitude above which fog appears.

   • Along the coast Sequoia sempervirens does not grow above the altitude to which the moist sea air generally rises — the fog-line, as it is often called.
3. 3

   A line painted on a road (usually bright white) that marks the edge of the legally…

   A line painted on a road (usually bright white) that marks the edge of the legally drivable portion.

   • As the driver of the vehicle reached into the glove box to obtain the insurance information another westbound vehicle crossed the fog line traveling onto the north shoulder of the roadway.
   • The reference line is a straight line that runs the length of the accident site, such as a fog line on a straight road.
   • And I believe you commented somewhere about how the fog line broke at that point and then picked up on the other side of the entrance ramp.

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