# inverter

/ɪnvˈɜːtɐ/ (UK) · CEFR C1 · Noun

Source: https://englishreference.com/word/inverter
Updated: 2026-05-26

## Definition

a device that changes direct current (DC) electricity into alternating current (AC) electricity. You often see these in solar power systems or on boats to run normal appliances.

For teachers: an electronic device that converts direct current (DC) to alternating current (AC). Commonly used in renewable energy systems to interface with the standard power grid or to power household appliances from a battery.

## Examples

- The solar panel uses an inverter to power the lights.
- After the storm knocked out the power, the backup inverter provided enough electricity to keep the refrigerator running.
- Modern photovoltaic systems require a high-efficiency inverter to ensure that the maximum amount of energy harvested from the sun is converted into usable alternating current for the home.

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