Decabillion

num

num ·Rare ·Advanced level

Definitions

Numeral
  1. 1
    Ten billion. rare

    "Breathtaking megadeals make headlines almost daily, and have lost their ability to astound. Kraft, RJR Nabisco, Pillsbury — these and other takeovers and leveraged buyouts requiring deca[-]billions of dollars, would have overwhelmed the most sophisticated investment bankers of the 1970s."

Example

More examples

"Breathtaking megadeals make headlines almost daily, and have lost their ability to astound. Kraft, RJR Nabisco, Pillsbury — these and other takeovers and leveraged buyouts requiring deca[-]billions of dollars, would have overwhelmed the most sophisticated investment bankers of the 1970s."

Etymology

From deca- + billion.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.