spectrum

As a noun spectrum

is specter, apparition.

As an adjective spectrumy is

having some characteristics of the autism spectrum.

As nouns the difference between prism and spectrum

is that prism is (geometry) a polyhedron with parallel ends of the same size and shape, the other faces being parallelogram-shaped sides while spectrum is specter, apparition.

As nouns the difference between spectrum and polyspectrum

is that spectrum is specter, apparition while polyspectrum is (mathematics) a higher-order spectrum of a multivariate stationary time series.

As nouns the difference between spectrum and refarming

is that spectrum is specter, apparition while refarming is (us|telecommunications) the abolition of existing band allocations in the radio spectrum and the more efficient reallocation of the spectrum into smaller bands.

As nouns the difference between spectrum and biopolitics

is that spectrum is specter, apparition while biopolitics is (michel foucault) the style of government that regulates populations through biopower.

As nouns the difference between spectrum and collapsogram

is that spectrum is specter, apparition while collapsogram is (astronomy) a spectrum obtained by taking the average of a number of observations.

As nouns the difference between spectrum and gradience

is that spectrum is specter, apparition while gradience is (linguistics) the absence of a clear boundary, or the presence of a continuous spectrum of meaning, between two words or categories.

As a noun spectrum

is specter, apparition.

As an adjective ultrawideband is

describing a radio technology that uses a large portion of the radio spectrum.

As nouns the difference between spectrum and bandhead

is that spectrum is specter, apparition while bandhead is a location on a spectrum where many lines become very close together and appear as a band.

As nouns the difference between spectrum and oxacillin

is that spectrum is specter, apparition while oxacillin is a narrow-spectrum beta-lactam antibiotic related to penicillin.