spectra background

spectra

/ˈspɛktrə/ /ˈspɛktrɑ/

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noun

Éventail, gamme

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

Examples :

"The spectra of possible career paths for a young graduate are vast. "

L'éventail des parcours professionnels possibles pour un jeune diplômé est vaste.

range science math physics

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noun

Spectre, spectre de couleurs

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

Examples :

"When sunlight passes through a prism, it separates into beautiful spectra of red, orange, yellow, green, blue, indigo, and violet. "

Lorsque la lumière du soleil traverse un prisme, elle se sépare en de magnifiques spectres de rouge, d'orange, de jaune, de vert, de bleu, d'indigo et de violet.

physics astronomy energy frequency color phenomena science

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noun

Le spectre de l'autisme

The autism spectrum.

Examples :

"My brother's on the autism spectrum, and he needs extra support at school. "

Mon frère est dans le spectre de l'autisme et a besoin d'un soutien supplémentaire à l'école.

medicine disease mind condition human being

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noun

Spectre

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

Examples :

"The scientist analyzed the spectra of different light sources to identify the elements they contained. "

Le scientifique a analysé les spectres de différentes sources lumineuses pour identifier les éléments qu'elles contenaient.

physics chemistry astronomy science energy phenomena substance technical

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noun

Spectre des valeurs propres

The set of eigenvalues of a matrix.

Examples :

"The physics student calculated the spectra of a matrix representing the energy levels of an electron in an atom. "

L'étudiant en physique a calculé le spectre des valeurs propres d'une matrice représentant les niveaux d'énergie d'un électron dans un atome.

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noun

Spectre

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.

Examples :

"The spectra of the teacher's grading system showed that some students struggled with a particular type of math problem. "

Les spectres du système de notation du professeur ont montré que certains élèves avaient du mal avec un type particulier de problème de mathématiques.

math physics technical

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noun

Spectre

(abstract algebra) 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.

Examples :

"Let's try this: "Mathematicians studying the abstract properties of rings might examine their spectra to understand their fundamental structure." "

Essayons ceci : Les mathématiciens étudiant les propriétés abstraites des anneaux pourraient examiner leurs spectres pour comprendre leur structure fondamentale.

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noun

Spectre, apparition

Specter, apparition.

Examples :

"The fearsome spectra of failing grades haunted the student's thoughts all night. "

Les spectres effrayants des mauvaises notes hantaient les pensées de l'étudiant toute la nuit.

supernatural mythology religion being

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noun

Images rémanentes, persistance rétinienne

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

Examples :

"After staring at the bright computer screen all day, tired spectra of code danced behind my eyelids when I closed my eyes. "

Après avoir fixé l'écran d'ordinateur lumineux toute la journée, des images rémanentes fatiguées de code dansaient derrière mes paupières lorsque j'ai fermé les yeux.

mind sensation phenomena