| user-computer interface | The portion of an interactive computer program that issues messages to and receives commands from a user. (12 Dec 1998) |
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| metal interface | In dentistry, a boundary between metal and nonsolvent solder, or between metal and surface oxide. (05 Mar 2000) |
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| crystalline interface | In dentistry, a boundary between adjacent crystals. (05 Mar 2000) |
| structural interface | In dentistry, a boundary between tooth and restorative material. (05 Mar 2000) |
| dermoepidermal interface | The line of meeting of the dermis and epidermis. (05 Mar 2000) |
| interface | 1. A surface that forms a common boundary of two bodies. 2. The boundary between regions of different radiopacity, acoustic, or magnetic resonance properties; the projection of the interface between tissues of different such properties on an image. (05 Mar 2000) |