A device used in mass spectrometry to discover the mass spectrum of a given substance.

plural of spectacular

The act of a person focusing on him/herself during sexual activity, as if watching as a third person.

(psychology, pathology) A disorder involving any of a range of psychological conditions, all characterized by abnormal social interaction and communication, restricted interests, highly repetitive behaviour, and eccentricity.

The state or quality of being a spectator

plural of autism spectrum disorder

The output of a mass spectrometer

(physics) A spectrum produced by a diffraction grating whose adjacent slits are one wavelength apart.

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

The state or condition of being spectacular.