indicator lamp
Noun: 1. A small electric light used to show the status or condition of a device: An "indicator lamp" is a light, often on a panel or dashboard, that provides a visual signal about the operational state of a machine, system, or circuit. It indicates whether power is on, a specific function is active, or a motor is running.
The term "indicator lamp" is used to describe a component that gives a simple, immediate visual status update. It is a common feature in electronics, vehicles, and industrial equipment. - Check if the indicator lamp is green; that means the system is ready. - When the indicator lamp on the charger turns red, the battery is low. - The indicator lamp for the hard drive flashes when data is being accessed.
- "Pilot light": This is a specific type of indicator lamp, often a small gas flame or electric light, that shows a device (like a furnace or water heater) is on or ready. While all pilot lights are indicator lamps, not all indicator lamps are pilot lights.
- If the pilot light goes out, the heater will not function.
- Indicator light: A direct synonym for "indicator lamp."
- Pilot lamp: Another synonym, often used interchangeably with "indicator lamp."
- Status light: A more general term for any light that indicates a condition or state.
- Warning light: A specific type of indicator lamp that signals a problem or fault (e.g., "check engine" light).
- Signal light
- Tell-tale light (often used in automotive contexts)
- Annunciator (in complex control panels)
- Indicator lamp illuminates/lights up: Describes the lamp turning on.
- An indicator lamp illuminates when the safety lock is engaged.
- Indicator lamp is off/out: Describes the lamp being unlit.
- If the indicator lamp is out, the device may not be receiving power.
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indicator consisting of a light to indicate whether power is on or a motor is in operation
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