continuous spectrum

noun, Physics.
1.
a spectrum apparently having all wavelengths over a comparatively wide range, usually characteristic of solids and other substances at high temperatures.
Origin
1900-05
British Dictionary definitions for continuous spectrum

continuous spectrum

noun
1.
a spectrum that contains or appears to contain all wavelengths but not spectrum lines over a wide portion of its range. The emission spectrum of incandescent solids is continuous; bremsstrahlung spectra consisting of a large number of lines may appear continuous