infrared

名词 infrared:

1. the infrared region of the electromagnetic spectrum; electromagnetic wave frequencies below the visible range
   同义词：infrared frequency
2. electromagnetic radiation with wavelengths longer than visible light but shorter than radio waves
   同义词：infrared light, infrared radiation, infrared emission

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

1. Any of several devices that convert incident electromagnetic radiation of mixed frequencies to one or more discrete frequencies of highly amplified and coherent ultraviolet, visible, or infrared radiation.
   激光器使偶然的混杂频率的电磁辐射，变为一个或更多的高度强化和连续的紫外线、可见光或红外线辐射的分离频率仪器中的一种

in.fra.red

adj.Abbr. IR（形容词）缩写 IR
Of or relating to the range of invisible radiation wavelengths from about 750 nanometers, just longer than red in the visible spectrum, to millimeter, on the border of the microwave region.
红外线的：一种波长在750毫微米（比可见光谱中的红光稍长）与毫米（在微波波长的边缘）之间的不可见辐射的，或与其有关的
Generating, using, or sensitive to infrared radiation.
产生红外线的：产生或使用红外线辐射的，对红外线辐射敏感的
n.（名词）
Infrared light or the infrared part of the spectrum.
红外线：红外线光或光谱的红外线部分