| infra | electromagnetic radiation with wavelengths longer than visible light but shorter than radio waves |
|---|---|
| infra | the infrared part of the electromagnetic spectrum |
| infra | electric heater consisting of a high-power incandescent lamp that emits infrared radiation |
| infra | electromagnetic radiation with wavelengths longer than visible light but shorter than radio waves |
| infra | electromagnetic radiation with wavelengths longer than visible light but shorter than radio waves |
| infra | a ray of infrared radiation |
| infra | the spectrum of infrared radiation |
| infra | the use of infrared radiation (as by infrared lamps or heating pads or hot water bottles) to relieve pain and increase circulation to a particular area of the body |
| infra | having frequencies below those of audible sound |
| infra | the stock of basic facilities and capital equipment needed for the functioning of a country or area |
| infra | the basic structure or features of a system or organization |