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spectrum US English

a band of colors, as seen in a rainbow, produced by separation of the components of light by their different degrees of refraction according to wavelength

the spectrum in spectrum US English

the entire range of wavelengths of electromagnetic radiation

spectrum in spectrum US English

a band of colors, as seen in a rainbow, produced by separation of the components of light by their different degrees of refraction according to wavelength

line spectrum US English

an emission spectrum consisting of separate isolated lines

mass spectrum US English

a distribution of ions shown by the use of a mass spectrograph or mass spectrometer

atomic spectrum US English

the spectrum of frequencies of electromagnetic radiation emitted or absorbed during transitions of electrons between energy levels within an atom. Each element has a characteristic spectrum by which it can be recognized

broad-spectrum US English

denoting antibiotics, pesticides, etc., effective against a large variety of organisms

power spectrum US English

the distribution of the energy of a waveform among its different frequency components

emission spectrum US English

a spectrum of the electromagnetic radiation emitted by a source

spectrum analyzer US English

a device for analyzing a system of oscillations, especially sound, into its separate components

absorption spectrum US English

a spectrum of electromagnetic radiation transmitted through a substance, showing dark lines or bands due to absorption of specific wavelengths

continuous spectrum US English

an emission spectrum that consists of a continuum of wavelengths

electromagnetic spectrum US English

the range of wavelengths or frequencies over which electromagnetic radiation extends

autistic spectrum disorder US English

any condition in which the subject displays autistic characteristics

Tarsius spectrum in spectral tarsier US English

a tarsier that has a tail with a long bushy tuft and a scaly base, native to Sulawesi

Vampyrum spectrum in false vampire US English

a large carnivorous bat that preys on rodents, reptiles, and other small vertebrates