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Secchi

American  
[sek-ee, sek-kee] / ˈsɛk i, ˈsɛk ki /

noun

  1. Pietro Angelo 1818–78, Italian Jesuit and astronomer.


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.

Despite its brightness, it has raised questions since 1866, when Italian astronomer Angelo Secchi noticed something unusual in its light.

From Science Daily • May 1, 2026

Caeleb Dressel, who set the world record back in 2021, was second in 51.62 with France's Clement Secchi third in 52.45.

From Barron's • Jan. 16, 2026

Silvia Secchi, an economist and geographer at the University of Iowa, said a key problem with the legislation is that it doesn’t break new ground.

From Washington Post • Aug. 14, 2022

Federal and state regulators have set a 97-foot 4-inch Secchi depth as the lake’s “clarity restoration target.”

From Los Angeles Times • Aug. 1, 2022

The corona was barely visible on De La Rue’s plates, but those of Secchi showed it, with its rifts and the bases of the tall coronal wings, to about 15’ from the sun’s limb.

From Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 10 "Echinoderma" to "Edward" by Various

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