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| fluorometer |
a device used to detect and measure the wavelength and intensity of fluorescence. |
| infrared |
the invisible electromagnetic radiation next to and longer in wavelength than those of the visible red end of the spectrum. [1/2 definitions] |
| microwave |
any extremely high-frequency electromagnetic wave whose wavelength is between one millimeter and one meter. [1/2 definitions] |
| multiwavelength |
combined form of wavelength. |
| radio wave |
an electromagnetic wave with a wavelength of between one millimeter and thirty thousand meters, or a frequency of between ten kilohertz and three hundred thousand megahertz. |
| shortwave |
a radio wave having a wavelength of less than sixty meters. [1/4 definitions] |
| spectrophotometer |
an instrument that measures how much light is absorbed, transmitted, or produced by an object or chemical as a function of wavelength. |
| spectrum |
an array of a physical system or phenomenon according to the magnitude of one of its properties such as mass or wavelength, esp. an array of light in the order of wavelengths that produces the rainbow. [1/2 definitions] |
| ultraviolet |
beyond the violet end of the spectrum of visible light and having a wavelength between that of visible light and x-rays. [2/3 definitions] |
| violet ray |
light having the shortest wavelength in the visible spectrum. [1/2 definitions] |
| wave |
the form that energy takes when traveling, characterized by periodic oscillation. Energy in the form of heat, light, or sound, for example, travels in the form of waves. Characteristics of such waves include period, frequency, amplitude, and wavelength. [1/14 definitions] |
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