true level

noun

1. an imaginary surface everywhere perpendicular to the plumb line, or line of gravity.

true level

noun

1. a hypothetical surface that is perpendicular at every point to the plumb line, such as the mean sea level or geoid

   a still liquid surface is at true level

Example Sentences

Get the holes ready, judging as well as possible what will give a true level and a convenient position.

From Project Gutenberg

Under pressure it is difficult to ascertain such things; one's true level may be higher or lower.

From Project Gutenberg

It was perhaps due to Corneille's influence as much as to anything else that his genius at last discovered its true level.

From Project Gutenberg

Of course land values will eventually find their true level, whatever law of rating may be in force.

From Project Gutenberg

Things will come to their true level presently, but not afore the auld stock o' farmers are crushed past rising again.

From Project Gutenberg