What term refers to a situation where dimmers are not adjusted correctly, causing a lantern to glow even at a minimum dimmer control setting?

The term that describes a situation where dimmers are not adjusted correctly, resulting in a lantern glowing even at a minimum dimmer control setting, is "bleeding." This phenomenon occurs when the circuit has residual voltage, meaning that the dimmer isn't fully cutting off power to the light, allowing it to emit a low level of illumination despite being set to a minimum. This can be problematic in theatrical lighting, as it can distort the intended effects and ambiance of a scene.

In contrast, the other terms refer to different concepts. Chiming typically relates to sound, such as the ringing of bells, and does not pertain to light dimming issues. Shadowing refers to the creation of shadows in lighting design, which is an artistic technique rather than a technical deficiency. Flashing describes a more abrupt or intense change in lighting, often used for dramatic effect, and does not fit the context of an unintended persistent glow from a light fixture.