spectrum meaning
EN
[ˈspektrəm] [ˈspɛkt(ʃ)ɹəm] [-ɛktrəm] WSpectrum
- A spectrum (plural spectra or spectrums) is a condition that is not limited to a specific set of values but can vary infinitely within a continuum.
- Spectrum has since been applied by analogy to topics outside of optics. Thus, one might talk about the spectrum of political opinion, or the spectrum of activity of a drug, or the autism spectrum.
- In most modern usages of spectrum there is a unifying theme between extremes at either end. Some older usages of the word did not have a unifying theme, but they led to modern ones through a sequence of events set out below.
- NounPLspectraPLspectrums
- Specter, apparition.
- A range; a continuous, infinite, one-dimensional set, possibly bounded by extremes.
- As Mr. Obama prepared to take the oath, his approval rating touched a remarkable 70 percent in some polling — a reflection of good will across the political spectrum.
- Specifically, a range of colours representing light (electromagnetic radiation) of contiguous frequencies; hence electromagnetic spectrum, visible spectrum, ultraviolet spectrum, etc.
- (psychology, education) The autism spectrum.
- (chemistry) The pattern of absorption or emission of radiation produced by a substance when subjected to energy (radiation, heat, electricity, etc.).
- (mathematics, linear algebra) The set of eigenvalues of a matrix.
- (mathematics, functional analysis) 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.
- Specter, apparition.
- More Examples
- Used in the Middle of Sentence
- In addition, a spectrum of unique CNS glia, collectively introduced under the term aldynoglia share the expression of p75 NTR [62 , 63 , 64 , 65 ].
- The processed spectra were annotated using a glycobioinformatics tool, GlycoWorkBench [42 ].
- Many programs were written for the Sinclair Spectrum computer in BASIC.
- Used in the Beginning of Sentence
- Spectra (4000–650 cm−1 ; 128 interferograms, 4 cm−1 resolution) were recorded in left μscope reflection mode (%R) using a single element mercury cadmium telluride (MCT/A) detector.
- Used in the Ending of Sentence
- Hence, when I was requested to be a guest editor for this gastroenterologically focused issue of JIAPS, I made all efforts to select/generate articles, which could cover a wide spectrum.
- As Mr. Obama prepared to take the oath, his approval rating touched a remarkable 70 percent in some polling — a reflection of good will across the political spectrum.
- In the non-relativistic limit, the both types of accompanied gapful modes become infinitely massive, disappearing from the spectrum.
- Used in the Middle of Sentence
Definition of spectrum in English Dictionary
- Part-of-Speech Hierarchy
- Nouns
- Nouns with irregular plurals
- Countable nouns
- Nouns with irregular plurals
- Nouns
Source: Wiktionary
Grammatically, this word "spectrum" is a noun, more specifically, a nouns with irregular plural and a countable noun.