Rainbow vs. Spectrum

Rainbow vs. Spectrum — Is There a Difference?

Difference Between Rainbow and Spectrum

Rainbownoun

An arc of spectral colors, usually identified as red, orange, yellow, green, blue, indigo, and violet, that appears in the sky opposite the sun as a result of the refractive dispersion of sunlight in drops of rain or mist.

Spectrumnoun

The entire range over which some measurable property of a physical system or phenomenon can vary, such as the frequency of sound, the wavelength of electromagnetic radiation, or the mass of specific kinds of particles.

Rainbownoun

A similar arc or band, as one produced by a prism or by iridescence.

Spectrumnoun

A specific portion of such a range

the infrared spectrum.

Rainbownoun

A graded display of colors.

Spectrumnoun

A characteristic distribution of phenomena manifested over such a range

the emission spectrum for sodium vapor.

Rainbownoun

An illusory hope

chasing the rainbow of overnight success.

Spectrumnoun

A graphic representation of such a distribution; a spectrogram.

Rainbownoun

A diverse assortment or collection.

Spectrumnoun

A band of colors produced when the wavelengths making up white light are separated, as when light passes through a prism or strikes drops of water.

Rainbownoun

A multicoloured arch in the sky, produced by prismatic refraction of light within droplets of rain in the air.

Spectrumnoun

A range of radio frequencies assigned by a regulatory agency for use by a given group or organization.

Rainbownoun

Any prismatic refraction of light showing a spectrum of colours.

Spectrumnoun

A range of values of a quantity or set of related quantities

the income spectrum.

Rainbownoun

(often used with “of”) A wide assortment; a varied multitude.

a rainbow of possibilities

Spectrumnoun

A sequence or range of related qualities, ideas, activities, entities, or phenomena

the whole spectrum of 20th-century thought.the spectrum of genes involved in the immune response.

Rainbownoun

(figurative) An illusion, mirage.

Many electoral promises are rainbows, vanishing soon after poll day.

Spectrumnoun

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

Rainbownoun

(baseball) A curveball, particularly a slow one.

Spectrumnoun

Specifically, a range of colours representing light (electromagnetic radiation) of contiguous frequencies; hence electromagnetic spectrum, visible spectrum, ultraviolet spectrum, etc.

Rainbownoun

(poker slang) In Texas hold 'em or Omaha hold 'em, a flop that contains three different suits.

Spectrumnoun

The autism spectrum.

Rainbownoun

Rainbow trout.

Spectrumnoun

(chemistry) The pattern of absorption or emission of radiation produced by a substance when subjected to energy (radiation, heat, electricity, etc.).

Rainbowadjective

Multicolored.

Spectrumnoun

The set of eigenvalues of a matrix.

Rainbowadjective

Made up of several races or ethnicities, or (more broadly) of several cultural or ideological factions.

Spectrumnoun

Of a bounded linear operator A, the set of scalar values λ such that the operator A—λI, where I denotes the identity operator, does not have a bounded inverse; intended as a generalisation of the linear algebra sense.

Rainbowadjective

(attributive) LGBT.

Spectrumnoun

The set, denoted Spec(R), of all prime ideals of a given ring R, commonly augmented with a Zariski topology and considered as a topological space.

Stone space

Rainbowadjective

Composed entirely of different suits.

Spectrumnoun

(obsolete) Specter, apparition.

Rainbowverb

(transitive) To brighten with, or as with, a rainbow; to pattern with the colours of the rainbow.

Spectrumnoun

The image of something seen that persists after the eyes are closed.

Rainbowverb

(intransitive) To take the appearance of a rainbow.

Spectrumnoun

an ordered array of the components of an emission or wave

Rainbownoun

an arc of colored light in the sky caused by refraction of the sun's rays by rain

Spectrumnoun

broad range of related values or qualities or ideas or activities

Rainbownoun

an illusory hope;

chasing rainbows