Spectra

Spectra may refer to: The plural of spectrum, conditions or values that vary over a continuum, especially the colours of visible light Spectra (journal), of the Museum Computer Network (MCN) The plural of spectrum (topology), an object representing a generalized cohomology theory in algebraic topology Spectra (mathematical association), an association of LGBT mathematicians Spectra (Latreille 1802), an order of stick-insects, or Phasmatodea