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Definition of "spectrophotometer" [spec•tro•pho•tom•e•ter]

  • An instrument used to determine the intensity of various wavelengths in a spectrum of light. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Use "spectrophotometer" in a sentence
  • "On board the ship, they used instruments called spectrophotometer to measure the color change and nail pH levels 10 times more accurately than possible before ..."
  • "Based on a portable chemical analyzer called a spectrophotometer, the invention can be installed and begin to collect data within minutes, although several weeks 'worth of samples produces the best assessment of air quality."
  • "· Sick buildings exist - building doctors don't and that makes for an unhappy situation, until now that is with Prof Ben - Dor and his portable analyzer called a spectrophotometer that assesses air quality by collecting data within minutes giving an accurate break down of unhealthy substances in the air."