The anterior portion of the head, including the forehead and jaws.

1. The surface of the area that has been excavated in constructing a tunnel.

2. In building construction, the exposed surface of a wall, masonry unit, or sheet of material.

3. To install a surface layer of one material over another, such as laying brick on a wall built of concrete blocks.

See <<crystal face>>

The surface of a flange on a pipe that is fitted against another flange.

See <<faceplate>>

1. The main surface of a landform.

2. The original surface of a layer of rock.

1. A particular style or size of letter as distinguished from another style or size. Also known as typeface.

2. The printing surface of a printing plate or the front surface of a piece of paper.

The veneer on the exposed surface of a sheet of plywood.

1. One of the plane polygons bounding a polyhedron.

2. A face of a simplex is the subset obtained by setting one or more of the coordinates a_i, defining the simplex, equal to 0; for example, the faces of a triangle are its sides and vertices.

A surface on which mining operations are being performed. Also known as breast.

The side of a fabric which is more attractive than the other side because of features such as weave, luster, or finish.