spectrophotometer

[ spek-troh-foh-tom-i-ter ]

noun

1. an instrument for making photometric comparisons between parts of spectra.

spectrophotometer

/ ˌspɛktrəʊfəʊˈtɒmɪtə; ˌspɛktrəʊˌfəʊtəˈmɛtrɪk /

noun

1. an instrument for producing or recording a spectrum and measuring the photometric intensity of each wavelength present, esp such an instrument used for infrared, visible, and ultraviolet radiation See also spectrometer

Derived Forms

• spectrophotometric, adjective
• ˌspectrophoˈtometry, noun

Other Words From

• spec·tro·pho·to·met·ric [spek-troh-foh-t, uh, -, me, -trik], adjective
• spectro·photo·metri·cal·ly adverb
• spectro·pho·tome·try noun

Word History and Origins

Origin of spectrophotometer¹

First recorded in 1880–85; spectro- + photometer

Word History and Origins

Origin of spectrophotometer¹

C19: from spectro- + photo- + -meter

Example Sentences

The researchers conducted spectral analysis of the newly identified protein using a spectrophotometer, a tool that examines light properties across various spectra.

From Science Daily

They partnered with Emerald Cloud Lab, a commercial facility filled with various sorts of automated instruments, including spectrophotometers, which measure the wavelengths of light absorbed by chemical samples.

From Science Daily

Our research project uses a portable spectrophotometer to rapidly determine petiole nutrient values in a potato field.

From Salon

A larger breathalyzer unit that is found in the police station will have infrared spectrophotometer technology.

From Encyclopedia.com

Now the democratic world must impose additional import restrictions on technologies such as aircraft parts, sonar systems, antennas, spectrophotometers, test equipment, GPS systems, vacuum pumps and oil-field equipment.

From Washington Post