|See also spectrometer an instrument for producing or recording a spectrum and measuring the photometric intensity of each wavelength present, esp such an instrument used for infrared, visible, and ultraviolet radiation|
|[C19: from |
|an obscure term ostensibly referring to a lung disease caused by silica dust, sometimes cited as one of the longest words in the English language.|
|(used as a nonsense word by children to express approval or to represent the longest word in English.)|
spectrophotometer spec·tro·pho·tom·e·ter (spěk'trō-fō-tŏm'ĭ-tər)
An instrument for measuring the intensity of light of a definite wavelength transmitted by a substance or a solution, thus providing a measure of the amount of material in the solution absorbing the light.