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Definitions

spectra

[spek-truh] / ˈspɛk trə /
NOUN
color spectrum
Synonyms




Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

By examining highly precise data collected by DAMPE, researchers discovered a universal pattern in the energy spectra of primary cosmic ray nuclei, ranging from lightweight protons to much heavier iron nuclei.

From Science Daily • May 14, 2026

"The spectra revealed that the signatures of the high-temperature plasma change velocity between the three observations, following the orbital motion of the white dwarf rather than that of the Be star," the researcher continues.

From Science Daily • Mar. 25, 2026

Jerry Xuan, a 51 Pegasi b Fellow at UCLA, built sophisticated atmospheric models to compare with the telescope's spectra and determine whether sulfur was present.

From Science Daily • Feb. 11, 2026

Those spectra tracked changing signatures in the ejected gas, and new spectral features matched up with structures seen in the interferometric images, providing a direct one-to-one confirmation of how the flows were forming and colliding.

From Science Daily • Dec. 31, 2025

Humason and Hubble found, to their amazement, that the spectra of all the distant galaxies are red-shifted and, still more startling, that the more distant the galaxy was, the more red-shifted were its spectral lines.

From "Cosmos" by Carl Sagan



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