the outer boundary of an artifact or a material layer constituting or resembling such a boundary | the first or preliminary coat of paint or size applied to a surface |
a device that provides reactive force when in motion relative to the surrounding air; can lift or control a plane in flight | (art) the surface (as a wall or canvas) prepared to take the paint for a painting |
a superficial aspect as opposed to the real nature of something | a connection between an electrical device and a large conducting body, such as the earth (which is taken to be at zero voltage) |
information that has become public | the part of a scene (or picture) that lies behind objects in the foreground |
the extended two-dimensional outer boundary of a three-dimensional object | a relatively homogeneous percept extending back of the figure on which attention is focused |
the outermost level of the land or sea | a position to be won or defended in battle (or as if in battle) |
| a rational motive for a belief or action |
| the solid part of the earth's surface |
| material in the top layer of the surface of the earth in which plants can grow (especially with reference to its quality or use) |
| a relation that provides the foundation for something |
| the loose soft material that makes up a large part of the land surface |