- plural of spectrum.
spectra
Example Sentences
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They also examined spectra, which are created when light is separated into its component wavelengths, much like a prism creating a rainbow.
From Science Daily ● Jun. 11, 2026
Researchers have collected more than 600 million spectra from a region of sky spanning an area equivalent to more than 2,000 full Moons.
From Science Daily ● Mar. 8, 2026
The new approach allows scientists to simulate the vibrational spectra of complex and disordered materials at realistic temperatures with near-ab initio accuracy while significantly reducing computational cost.
From Science Daily ● Mar. 7, 2026
The spectra revealed multiple metals -- elements heavier than helium -- mixed into the gas.
From Science Daily ● Jan. 24, 2026
Some scientists think that when expansion is followed by contraction, when the spectra of distant galaxies are all blue-shifted, causality will be inverted and effects will precede causes.
From "Cosmos" by Carl Sagan
