Meaning of continuous spectrum

contin'uous spec'trum

Pronunciation: [key]
— Physics. Physics.
  1. a spectrum apparently having all wavelengths over a comparatively wide range, usually characteristic of solids and other substances at high temperatures. Cf. band spectrum, line spectrum, spectral line.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.