(informal) Having an autism spectrum disorder or exhibiting traits pertaining to or within the autism spectrum.

plural of spectrum

A range; a continuous, infinite, one-dimensional set, possibly bounded by extremes.

The output of a mass spectrometer

(physics) The characteristic pattern of dark lines or bands that occurs when electromagnetic radiation is passed through an absorbing medium into a spectroscope.

(quantum mechanics) A concept relating to energy spectra. Let H be the one-dimensional Schrödinger equation operator H=-(d²)/(dx²)+U_𝛼, where U_α is a periodic function of period α. The Bloch spectrum of H is the set of values E for which all the solutions of (H − E)φ = 0 are bounded on the whole real axis.

plural of light spectrum

plural of spectrum analyzer

plural of spectrum analyser

(medicine, psychology, pathology) A physiological or psychological disorder which may take any of a range of forms or be indicated by any of a range of symptoms.