spectral line

Save This Word!

noun Optics.

a line in a spectrum due to the absorption or emission of light at a discrete frequency.

QUIZ

CAN YOU ANSWER THESE COMMON GRAMMAR DEBATES?

There are grammar debates that never die; and the ones highlighted in the questions in this quiz are sure to rile everyone up once again. Do you know how to answer the questions that cause some of the greatest grammar debates?

Question 1 of 7

Which sentence is correct?

His boss, whom he admires, is waiting to meet with him about the big project.

His boss, who he admires, is waiting to meet with him about the big project.

TAKE THE QUIZ TO FIND OUT

Origin of spectral line

First recorded in 1865–70

Words nearby spectral line

specter, spectinomycin, Spector, spectra, spectral, spectral line, spectral luminous efficiency, spectral series, spectral type, spectra yellow, spectre

Scientific definitions for spectral line

spectral line

[ spĕk′trəl ]

An isolated bright or dark line in a spectrograph produced by emission or absorption of light of a single wavelength, generally corresponding to a specific shift in the energy of an electron moving from one orbital to another.