VS.

Rainbow vs. Spectrum

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Rainbownoun

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

Spectrumnoun

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

Rainbownoun

Any prismatic refraction of light showing a spectrum of colours.

Spectrumnoun

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

Rainbownoun

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

‘a rainbow of possibilities’;

Spectrumnoun

The autism spectrum.

Rainbownoun

(figurative) An illusion, mirage.

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

Spectrumnoun

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

Rainbownoun

(baseball) A curveball, particularly a slow one.

Spectrumnoun

The set of eigenvalues of a matrix.

Rainbownoun

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

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.

Rainbownoun

Rainbow trout.

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

Multicolored.

Spectrumnoun

(obsolete) Specter, apparition.

Rainbowadjective

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

Spectrumnoun

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

Rainbowadjective

(attributive) LGBT.

Spectrumnoun

An apparition; a specter.

Rainbowadjective

Composed entirely of different suits.

Spectrumnoun

The several colored and other rays of which light is composed, separated by the refraction of a prism or other means, and observed or studied either as spread out on a screen, by direct vision, by photography, or otherwise. See Illust. of Light, and Spectroscope.

Rainbowverb

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

Spectrumnoun

an ordered array of the components of an emission or wave

Rainbowverb

(intransitive) To take the appearance of a rainbow.

Spectrumnoun

broad range of related values or qualities or ideas or activities

Rainbownoun

A bow or arch exhibiting, in concentric bands, the several colors of the spectrum, and formed in the part of the hemisphere opposite to the sun by the refraction and reflection of the sun's rays in drops of falling rain.

Spectrum

A spectrum (plural spectra or spectrums) is a condition that is not limited to a specific set of values but can vary, without steps, across a continuum. The word was first used scientifically in optics to describe the rainbow of colors in visible light after passing through a prism.

Rainbownoun

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

Rainbownoun

an illusory hope;

‘chasing rainbows’;

Rainbow

A rainbow is a meteorological phenomenon that is caused by reflection, refraction and dispersion of light in water droplets resulting in a spectrum of light appearing in the sky. It takes the form of a multicoloured circular arc.

Rainbow Illustrations

Spectrum Illustrations

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