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This image released by Merriam-Webster shows a page from the 12th edition of the "Collegiate Dictionary." (Merriam-Webster via AP)

NEW YORK – Word nerd alert: Merriam-Webster announced Thursday it has taken the rare step of fully revising and reimagining one of its most popular dictionaries with a fresh edition that adds over 5,000 new words, including “petrichor,” “teraflop,” “dumbphone” and “ghost kitchen.”

The 12th edition of “Merriam-Webster's Collegiate Dictionary” comes 22 years after the book's last hard-copy update and amid declining U.S. sales for analog dictionaries overall, according to Circana BookScan. It will be released Nov. 18, with preorders now available.

Petrichor, by the way, is a pleasant odor after a rainfall following a warm, dry period. Teraflop is a un

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