| airport |
a large area of level land where airplanes can land and take off. |
| altitude |
the height of a thing above earth or above sea level. |
| average out |
to reach a middle state or level, especially after a period of changes or extremity. [1/2 definitions] |
| cascade |
to fall from one level to the next; flow down like a waterfall. [1/2 definitions] |
| chin |
to pull up from a hanging position to an overhead bar until the chin is level with the bar. [1/2 definitions] |
| civilization |
the culture of a particular society that has reached an advanced level. [1/2 definitions] |
| civilized |
having a high level of culture, education, legal sophistication, or knowledge. |
| crest |
the highest level. [1/4 definitions] |
| dam1 |
a wall built across a river or stream to keep the water from flowing and to raise the water level behind it. [1/2 definitions] |
| Dead Sea |
a large salt lake between the countries of Israel and Jordan. The Dead Sea lies at about 1300 feet below sea level, which makes it the lowest known place on the surface of the earth. |
| down1 |
to or at a lower or worse level. [2/13 definitions] |
| drop |
to fall to a lower level. [1/9 definitions] |
| elevation |
the height to which something rises or is raised, or its height above sea level or ground level. [1/2 definitions] |
| elevator |
a platform or a small room used to raise and lower people or goods from one level or floor to another in a building. [1/2 definitions] |
| evaluate |
to judge the level or value of. [1/2 definitions] |
| even |
smooth, level, or flat. [3/12 definitions] |
| flat1 |
having a surface that does not slant up or down. If a roof is flat, it is not higher at one end than the other; level. [4/12 definitions] |
| floor |
a level of a building. [1/6 definitions] |
| flush2 |
even or level with another surface or line. [1/2 definitions] |
| grade |
a level, degree, or rank in a scale. [2/7 definitions] |
| gyroscope |
an instrument with a turning wheel, mounted on an axis that can turn in any direction. When the axis turns, the wheel stays level. Gyroscopes are used to help keep ships and airplanes on course. |