Etymology

spectrophotometry

Today it means: the quantitative analysis of electromagnetic spectra by use of a spectrophotometer; especially in order to determine the structure or quantity of a substance Full definition →

English photometry ← Latin spectrum ← Proto-Italic *spekjō
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The story

  1. Proto-Indo-European*speḱ-
  2. Proto-Indo-European*spéḱyeti
  3. Proto-Italic*spekjō
  4. Latinspeciō
  5. Latinspectrum
  6. Englishspectrum
  7. Englishspectro-
  8. Englishphotometry
  9. English todayspectrophotometry

From spectro- + photometry.

Etymology from Wiktionary, CC BY-SA 4.0.