Example image of eyePlorer eyePlorer map for 'Spectrum': Continuum (theory) Dispersive prism Optics Rainbow Autism spectrum Political spectrum Apparition Latin Spectre Hearsay Spectral evidence Salem, Massachusetts Witchcraft Color Dispersion (optics) Prism (optics) Frequency Intensity (physics) Power (physics) Spectral density Wavelength Longitudinal wave Wave Dimension Electromagnetism Eye Human Visible spectrum Visual perception Charge-coupled device Absorption spectrum Eigenvalue, eigenvector and eigenspace Emission spectrum Energy spectrum Frequency spectrum Mass spectrum Spectrum (functional analysis) Spectrum disorder Spectrum of a ring Spectrum of a theory Stone's representation theorem for Boolean algebras Am star Cyan Electromagnetically induced transparency Endovenous laser therapy Gamma ray spectrometer GJ 682 Gliese 832 Glitter High Frequency Content measure