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Definitions

datum

[dey-tuhm, dat-uhm, dah-tuhm] / ˈdeɪ təm, ˈdæt əm, ˈdɑ təm /




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.

So went the prohibition on artificial intelligence in Frank Herbert’s 1965 novel “Dune,” and what was then a datum of fictional world-building is now a real and pressing concern.

From The Wall Street Journal • Nov. 13, 2025

“The horizontal buildings and concrete walls are a datum against which the landscape can be seen,” Mr. Williams said.

From New York Times • Jun. 2, 2022

Moving in tandem through a sequence of points, the team builds up a series of height marks relative to a known baseline, or datum.

From BBC • Sep. 6, 2019

Researchers rate each datum for accuracy, using a system developed by SFEI.

From Scientific American • Jun. 13, 2019

No plural form is necessary, and the old singular, datum, can be left to the Romans.

From "Woe Is I" by Patricia T. O'Conner