What term is used for shingles that are machine-cut on both faces and sides?

The correct term for shingles that are machine-cut on both faces and sides is "shingle." This designation refers to a specific type of roofing material that has uniform dimensions and a smooth finish due to the precision cutting process. Shingles are commonly made from materials such as asphalt, wood, or fiberglass, and are designed to facilitate regular installation patterns, provide consistent coverage, and enhance the overall aesthetics of a roof.

In contrast, the term "shake" refers to wood roofing material that is hand-split, resulting in a more rustic appearance with irregular dimensions. "Tile" typically describes roofing materials made from clay or concrete, which are often molded rather than cut. "Slate" denotes natural stone roofing that is quarried and has a distinct, layered look, but it is not made through the machine-cut process described in the question. Understanding these distinctions helps in recognizing the appropriate terminology used in roofing practices.