noun🔗ShareÉventail, spectreA range; a continuous, infinite, one-dimensional set, possibly bounded by extremes."The spectrum of emotions my sister displayed during the argument was wide, from anger to sadness to confusion. "L'éventail d'émotions que ma sœur a affichées pendant la dispute était large, allant de la colère à la tristesse en passant par la confusion.rangetypeaspectsystemtoeflChat with AIVocabulary GamePractice Reading
noun🔗ShareSpectreSpecifically, a range of colours representing light (electromagnetic radiation) of contiguous frequencies; hence electromagnetic spectrum, visible spectrum, ultraviolet spectrum, etc."The rainbow demonstrates the visible spectrum of light, showing all the colours from red to violet. "L'arc-en-ciel démontre le spectre visible de la lumière, montrant toutes les couleurs du rouge au violet.physicsastronomyenergyfrequencycolorsciencetoeflChat with AIVocabulary GamePractice Reading
noun🔗ShareLe spectre de l'autismeThe autism spectrum."My cousin has autism; his behavior falls within the autism spectrum. "Mon cousin est autiste ; son comportement se situe dans le spectre de l'autisme.medicinemindconditiontoeflChat with AIVocabulary GamePractice Reading
noun🔗ShareLe spectreThe pattern of absorption or emission of radiation produced by a substance when subjected to energy (radiation, heat, electricity, etc.)."The scientist examined the spectrum of light emitted by the burning candle flame. "Le scientifique a examiné le spectre de la lumière émise par la flamme de la bougie en combustion.physicsenergysciencephenomenarangetoeflChat with AIVocabulary GamePractice Reading
noun🔗ShareLe spectre, l'ensemble des valeurs propres d'une matriceThe set of eigenvalues of a matrix."The spectrum of possible test scores for the math exam ranged from 60 to 100. "Le spectre des notes possibles à l'examen de mathématiques allait de 60 à 100.mathtechnicaltoeflChat with AIVocabulary GamePractice Reading
noun🔗ShareSpectreOf 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."The spectrum of possible outcomes for the student's final exam grade shows a wide range of possibilities, from a failing mark to an A+. "Le spectre des résultats possibles pour la note finale de l'élève montre un large éventail de possibilités, d'une note d'échec à un A+.mathsciencetechnicalphysicstoeflChat with AIVocabulary GamePractice Reading
noun🔗ShareSpectre(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."The spectrum of possible grades on the math exam included all the prime numbers from 2 to 100. "Le spectre des notes possibles à l'examen de mathématiques comprenait tous les nombres premiers de 2 à 100.mathabstractspacetoeflChat with AIVocabulary GamePractice Reading
noun🔗ShareSpectre, apparitionSpecter, apparition."The angry accusations from the teachers seemed like a menacing spectrum hanging over the entire school. "Les accusations colériques des professeurs semblaient être un spectre menaçant planant au-dessus de toute l'école.appearancesupernaturalbeingtoeflChat with AIVocabulary GamePractice Reading
noun🔗ShareImage rémanenteThe image of something seen that persists after the eyes are closed."After looking at the vibrant sunset, a spectrum of orange and pink colors remained in my mind's eye. "Après avoir regardé le coucher de soleil vibrant, une image rémanente de couleurs orange et rose est restée dans mon esprit.mindsensationphenomenatoeflChat with AIVocabulary GamePractice Reading
