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What is the noun for spectra?

What's the noun for spectra? Here's the word you're looking for.

spectrum
  1. (obsolete) Specter, apparition. [from early 17th c.]
  2. A range; a continuous, infinite, one-dimensional set, possibly bounded by extremes.
  3. Specifically, a range of colours representing light (electromagnetic radiation) of contiguous frequencies; hence electromagnetic spectrum, visible spectrum, ultraviolet spectrum, etc. [from later 17th c.]
  4. (psychology) The autism spectrum.
  5. (chemistry) The pattern of absorption or emission of radiation produced by a substance when subjected to energy (radiation, heat, electricity, etc.).
  6. (mathematics) The set of eigenvalues of a matrix.
  7. (mathematics) 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.
  8. Synonyms:
  9. Examples:
    1. “Everyone exists on a spectrum of severity or paucity of features.”
      “With such a huge spectrum of possibilities, finding the right intervention strategy can often seem like finding a minnow in the Pacific Ocean.”
      “On the color spectrum, red is at the lowest of light frequencies discernable to the eye.”
spectrophone
  1. An instrument constructed on the principle of the photophone and used in spectrum analysis as an adjunct to the spectroscope.
  2. (physics) An instrument that is used to investigate the vibration of polyatomic gases by measuring pressure vibrations in the gas upon radiation with infrared light
spectrogram
  1. A visual representation of the spectrum of a sound changing through time.
  2. (astronomy) A visual representation of the spectrum of a celestial body's radiation.
  3. Synonyms:
  4. Examples:
    1. “For the study of vowels and consonants, the waveform is presented as a spectrogram, on which sounds appear as recognizable visual patterns.”
      “Based on the disturbing images contained in the spectrogram, it is easy to see why some might come to this conclusion.”
      “Someone immediately created a spectrogram of the audio, which helped to deepen the mystery even more.”
spectroelectrochemistry
  1. (chemistry) A general term for any of many spectroscopic techniques used in chemistry
  2. (chemistry) The spectroscopic study of electrochemical processes
spectroscopy
  1. (uncountable) The scientific study of spectra.
  2. (analytical) The use of spectrometers in chemical analysis.
  3. Examples:
    1. “The volatile profile of fruits determined by gas chromatography and mass spectroscopy is complex, including many alcohols, aldehydes and esters.”
      “Possible applications may range from spectroscopy to wavelength generation in bands not easily accessible at present.”
      “Capable of producing microwatts to watts of power, it is designed for spectroscopy applications.”
specter
  1. A ghostly apparition, a phantom
  2. (figuratively) A threatening mental image
  3. Synonyms:
  4. Examples:
    1. “I searched the entire throne room, expecting a specter or ghost to pop out at any second, and my imagination slowly took over reason.”
      “And the specter of student loans spurred graduates to take lucrative jobs rather than pursue avocations.”
      “However, although the specter of death hovers over the entire film, it is neither a grim nor a depressing experience.”
spectrometer
  1. (analytical) An optical instrument for measuring the absorption of light by chemical substances; typically it will plot a graph of absorption versus wavelength or frequency, and the patterns produced are used to identify the substances present, and their internal structure.
  2. Examples:
    1. “The spectrometer was modified to incorporate an Oxford cryostat at the sample compartment.”
      “This is a flash artifact and is observed also when the flash is ignited in the empty spectrometer.”
      “Sojourner analyzed the chemical composition of fifteen rocks using its alpha proton X-ray spectrometer.”
spectrometry
  1. (physics) The measurement of the wavelength of electromagnetic radiation, especially any of several techniques used to analyze the structure of molecules; the measurement of spectra of things other than radiation, such as the masses of molecules and their breakdown products
  2. Examples:
    1. “Odors were collected from the headspace of individual flowers and analyzed by gas chromatography coupled to mass spectrometry.”
      “Data from gamma ray spectrometry can provide useful information on sediment provenance and environmental conditions.”
      “Flavour and fragrance researchers rely heavily on standard analytical techniques such as gas chromatography and mass spectrometry.”
spectrophotometry
  1. (physics) the quantitative analysis of electromagnetic spectra by use of a spectrophotometer; especially in order to determine the structure or quantity of a substance
  2. Examples:
    1. “The hair samples were washed, weighed, cold digested, and analyzed with atomic absorption spectrophotometry.”
      “Samples were analyzed according to a modified indophenol detection method, and concentration was assessed by spectrophotometry.”
      “Nitric oxide and nitrogen dioxide were chemically assayed as nitrite from sorbent tubes by using spectrophotometry.”
spectroradiometer
  1. A device that measures the spectral power distributions of illuminants, used to evaluate and categorize lighting or to calibrate display technology.
  2. Examples:
    1. “A climatology of aerosol optical and microphysical properties over the Indian subcontinent from 9 years of Multiangle Imaging Spectroradiometer data.”
spectrobolometer
  1. A combined spectroscope and bolometer for determining the distribution of energy in a spectrum.
spectrophotometer
  1. (physics) An instrument used to measure the intensity of electromagnetic radiation at different wavelengths.
  2. Synonyms:
  3. Examples:
    1. “I used a spectrophotometer to determine the absorption of different wavelengths in the sample, providing valuable insights into its composition.”
      “All samples were measured in quadruplicate using a microtiter plate spectrophotometer at an outside diameter of 490 nm.”
      “The newly employed spectrophotometer technology can reveal variation unapparent to human vision.”
spectroscope
  1. An optical instrument used for spectrographic analysis [from later 19th c.].
  2. Examples:
    1. “Film colours are colours such as are seen in a spectroscope or a patch of blue or uniformly grey sky.”
      “A spectroscope splits light up into its component hues so that its precise mixture of colours can be analysed separately.”
      “When light passes through a spectroscope it breaks into bands of unique colors that represent pure elements.”
spectrochemistry
  1. (chemistry) The application of spectroscopy to the analysis of chemical compounds.
  2. Examples:
    1. “On the border of Eastern and Western Europe the common understanding of quality controlled spectrochemistry will be discussed.”
      “Special symposia also feature laser based spectrochemistry, speciation analysis, and fundamental and instrumentation developments.”
spectralism
  1. A musical composition practice in which compositional decisions are often informed by the analysis of sound spectra
spectrofluorometer
  1. (physics) A spectrometer used in fluorescence spectroscopy
  2. Examples:
    1. “Steady-state fluorescence was measured with a SPEX spectrofluorometer with excitation and emission slits providing a bandpass of 7.2 and 3.6 nm, respectively.”
      “Photoluminescence spectra were recorded with a Spex Fluorolog-3 spectrofluorometer and optical absorbance spectra with a Specord M-40 spectrophotometer.”
spectrography
  1. (physics) The process of using a spectrometer to produce a spectrograph.
  2. Examples:
    1. “From closer in, or with the planet eclipsing the sun, he would be able to get a spectrography of the atmosphere.”
      “Before the end of that century, astronomers knew the answer to that question, thanks to spectrography.”
      “Peirce was an acquaintance of Henry Rowland and, like him, conducted research on color spectrography.”
spectrometrist
  1. (chemistry) An expert in spectrometry, or in the use of spectrometers
spectrofluorophotometer
  1. A fluorophotometer equipped with a spectroscope
spectrophotogoniometer
  1. A photogoniometer equipped with a spectrometer
spectromicroscopy
  1. A technique that combines spectroscopy and microscopy
spectrograph
  1. A machine for recording spectra, producing spectrograms.
  2. Examples:
    1. “This approach enables a single imaging spectrograph to perform the work of several independent spectrographs.”
      “An imaging spectrograph, a digital camera, and a computer analyze the amount of laser light absorbed by the apples, which indicates sweetness.”
      “The choice of this spectrograph was motivated by its excellent accuracy in wavelength measurements.”
spectroastrometry
  1. (physics) A combination of spectroscopy and astrometry
spectrology
spectrofluorometry
spectrality
  1. The quality of being spectral or ghostly.
  2. Examples:
    1. “It is the spectrality of Hartman's discourse that forestalls its decay into romance.”
      “However, Trowbridge has carefully analyzed her work and called out its inherent spectrality.”
      “Similarly, Lucy continues to be haunted by Dracula's spectrality to the extent that she is incapable of knowing the thing that haunts her.”
spectroscopist
  1. A scientist specialising in spectroscopy.
  2. Examples:
    1. “Nor has normal coordinate analysis featured much in my work of the past twenty years, since I'm not some sort of theoretical spectroscopist.”
      “Suenram and Lovas entered a major long-term collaboration with the rotational spectroscopist, Jens-Uwe Grabow, from Kiel, Germany.”
      “Jones, then a spectroscopist at Imperial Chemical Industries in England, tested this explanation by trying to build an unridable bike.”
spectrobolometry
  1. The use of a spectrobolometer.
spectre
  1. British spelling standard spelling of specter.
  2. Synonyms:
  3. Examples:
    1. “He believes the spectre is the ghost of Pte Crowley, of the 11th North Devonshire Regiment.”
      “And the spectre of student loans spurred graduates to take lucrative jobs rather than pursue avocations.”
      “The train, with its dim lights, stood there like a monster spectre in the dark.”
spectrofluorophotometers
spectrophotogoniometers
spectrofluorometers
  1. plural of spectrofluorometer
spectroradiometers
  1. plural of spectroradiometer
spectrophotometers
spectrobolometers
  1. plural of spectrobolometer
spectrometrists
  1. plural of spectrometrist
spectroscopists
  1. plural of spectroscopist
spectrographs
  1. plural of spectrograph
spectrometers
  1. plural of spectrometer
spectrophones
  1. plural of spectrophone
spectroscopes
  1. plural of spectroscope
  2. Examples:
    1. “Princeton University sent a team that was reputed to be the best equipped, with the latest telescopes and spectroscopes needed for the job.”
      “We have found five planets orbiting that star, and with our spectroscopes we found one within the star's habitable zone that has an atmosphere.”
      “To isolate harmful food, inspectors from 82 municipal laboratories armed with spectroscopes and radiation detectors comb the city's 69 open-air markets.”
spectrometries
  1. plural of spectrometry
spectroscopies
  1. plural of spectroscopy
spectrograms
spectra
  1. plural of spectrum
  2. Synonyms:
  3. Examples:
    1. “The accuracies of colorimeters can vary significantly, depending on the spectra of the colors measured.”
      “These spectra are similar to those obtained for multilamellar vesicles made of lipids with deuterated acyl chains.”
      “The isotropic emission spectra were normalized to the corresponding absorbance at the excitation wavelength.”
spectrums
  1. plural of spectrum
  2. Synonyms:
  3. Examples:
    1. “You want to start reeling and jigging your bait though the different spectrums of the water.”
      “A light emitting diode is a semiconductor chip that can emit almost all spectrums of light when it is connected to the mains.”
      “Multicolor spectrums may be used to represent greater nuances in the selected range of percentages.”
specters
  1. plural of specter
  2. Synonyms:
  3. Examples:
    1. “Earlier I compared the apparition of specters in Observe the Sons of Ulster to sequences of reverance in Macbeth and Hamlet.”
      “Spirits and specters do not only play an important part in Johnathan's story, they also operate on a metanarrative level.”
      “In such a light, psychology would be the science of the double, of specters, and every photograph a double exposure.”
spectres
  1. plural of spectre
  2. Synonyms:
  3. Examples:
    1. “Ghoulish apparitions and spooky spectres are being put under the spotlight at a York tourist attraction.”
      “The castle itself was haunted, and not just be family ghosts like the Manor, but by terrifying blood drenched spectres, ghouls and a poltergeist.”
      “In May 1887, a paper of mine was read before the Royal Meteorological Society on Brocken spectres and the bows that often accompany them.”
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