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  <page>
    <title>spectrum</title>
    <id>33670</id>
    <revision>
      <id>6925385</id>
      <timestamp>2009-07-03T16:34:41Z</timestamp>
      <contributor>
        <username>Interwicket</username>
        <id>46132</id>
      </contributor>
      <minor/>
      <comment>iwiki +[[:ja:spectrum]]</comment>
      <text xml:space="preserve">==English==
{{wikipedia}}

===Etymology===
{{etystub}}

===Pronunciation===
* {{a|Canada|UK}} {{IPA|/ˈspektrəm/}}
* {{a|unknown}} {{IPA|/ˈspɛktrəm/}}, {{SAMPA|/&quot;spEktr@m/}}
:* {{rhymes|ɛktrəm}}
* {{audio|en-us-portmanteau.ogg|Audio (US)}}

===Noun===
{{en-noun|spectr|a|pl2=spectrums}}

# A [[range]]; a [[continuous]], [[infinite]], [[one-dimensional]] set, possibly bounded by [[extremes]].
# Specifically, a range of [[colour]]s representing [[light]] ([[electromagnetic radiation]]) of contiguous [[frequency|frequencies]]; hence [[electromagnetic spectrum]], [[visible spectrum]], [[ultraviolet]] spectrum, etc.
# {{chemistry}} The pattern of [[absorption]] or [[emission]] of [[radiation]] produced by a substance when subjected to energy (radiation, heat, electricity, etc.).
# {{linearalg}} Of a [[bounded]] [[linear operator]] ''A'', the [[scalar]] values λ such that the [[operator]] ''A—λI'', where ''I'' denotes the identity operator, does not have a bounded [[inverse]].

====Derived terms====
* [[light spectrum]]

====Related terms====
* [[spectral]]

====Translations====
{{trans-top|range}}
* Italian: {{t+|it|spettro}}
* Japanese: {{t-|ja|スペクトル|tr=supekutoru|sc=Jpan}}
{{trans-mid}}
* Romanian: {{t-|ro|spectru|n}}
* Russian: {{t|ru|спектр|m|tr=sp'ektr|sc=Cyrl}}, {{t|ru|диапазон|m|tr=diapazón|sc=Cyrl}}
{{trans-bottom}}

{{trans-top|range of colors}}
* Czech: {{t-|cs|spektrum|n}}
* Hebrew: {{t+|he|ספקטרום|tr=spéktrum|sc=Hebr}}
* Italian: {{t+|it|spettro}}
{{trans-mid}}
* Japanese: {{t-|ja|スペクトル|tr=supekutoru|sc=Jpan}}, {{t|ja|分光特性|tr=bunkō tokusē|sc=Jpan}}
* Romanian: {{t-|ro|spectru|n}}
* Russian: {{t|ru|спектр|m|tr=sp'ektr|sc=Cyrl}}
{{trans-bottom}}

{{trans-top|chemistry: a pattern of absorption or emission of radiation}}
* Japanese: {{t-|ja|スペクトル|tr=supekutoru|sc=Jpan}}
{{trans-mid}}
{{trans-bottom}}

{{trans-top|linear algebra: set of scalar values}}
* Italian: {{t+|it|spettro}}
* Japanese: {{t-|ja|スペクトル|tr=supekutoru|sc=Jpan}}
{{trans-mid}}
* Romanian: {{t-|ro|spectru|n}}
* Russian: {{t|ru|спектр|sp'ektr|m|sc=Cyrl}}
{{trans-bottom}}

{{checktrans-top}}
* {{ttbc|Bulgarian}}: [[спекър]] {{m}} (1, 2)
* {{ttbc|German}}: [[Spektrum]] {{n}} (1, 2, 3)
{{trans-mid}}
* {{ttbc|Polish}}: [[spektrum]] {{n}} (1), [[widmo]] {{n}} (2)
* {{ttbc|Swedish}}: [[spektrum]] {{n}}  (2, 3)
* {{ttbc|Chinese}}: {{zh-ts|光譜|光谱}} (2)
*: Cantonese: gwong1pou2
*: Mandarin: guāngpǔ
{{trans-bottom}}

[[Category:Energy]]
[[Category:English nouns with irregular plurals]]

----

==Latin==

===Noun===
{{la-noun|spectrum|spectri|spectrī|n|second}}

# a [[specter]]

====Inflection====
{{la-decl-2nd-N|spectr}}

====Descendants====
* English: {{l|en|spectrum}}

[[ar:spectrum]]
[[zh-min-nan:spectrum]]
[[fa:spectrum]]
[[fr:spectrum]]
[[io:spectrum]]
[[id:spectrum]]
[[hu:spectrum]]
[[nl:spectrum]]
[[ja:spectrum]]
[[pl:spectrum]]
[[ru:spectrum]]
[[simple:spectrum]]
[[fi:spectrum]]
[[ta:spectrum]]
[[te:spectrum]]
[[tr:spectrum]]
[[vi:spectrum]]
[[zh:spectrum]]</text>
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