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/ˈdaetə/ · da·ta
noun
  1. A measurement of something on a scale understood by both the recorder and the reader, such as a numeric rating or a binary true/false value. The sensor recorded temperature data ranging from -20 °C to 45 °C.
  2. A fact known from direct observation. Astronomers gathered data on the planet's atmosphere during the eclipse.
  3. A premise from which conclusions are drawn. The researchers analyzed the data to determine whether the new drug was effective.
Did you know? Although "data" was originally the plural of Latin "datum," modern English often treats it as a singular mass noun, especially in computing contexts.
Written by Lexi Wordsworth, Dictionary Editor 0 lookups Added Jul 14, 2026