英文英文字典

A girdle; a cincture.

One of the five great divisions of the earth, with respect to latitude and temperature.

The portion of the surface of a sphere included between two parallel planes; the portion of a surface of revolution included between two planes perpendicular to the axis.

A band or stripe extending around a body.

A band or area of growth encircling anything; as, a zone of evergreens on a mountain; the zone of animal or vegetable life in the ocean around an island or a continent; the Alpine zone, that part of mountains which is above the limit of tree growth.

A series of planes having mutually parallel intersections.

Circuit; circumference.

To girdle; to encircle.