infra-red

英 ['ɪnfrər'ed] 美 ['ɪnfrər'ed]

• 红外线的

英英释义

名词 infrared:

1. the infrared region of the electromagnetic spectrum; electromagnetic wave frequencies below the visible range

2. electromagnetic radiation with wavelengths longer than visible light but shorter than radio waves

形容词 infrared:

1. having or employing wavelengths longer than light but shorter than radio waves; lying outside the visible spectrum at its red end