This clue appeared in the NYT Crossword on Sunday, July 19, 2026 (90 Across). The answer is hidden below until you want it. Sunday puzzles are large (21 by 21) and themed, about as hard as a Wednesday or Thursday.
Answer length: 6 squares
First letter
N _ _ _ _ _
First and last letters
N _ _ _ _ S
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About the answer
NACRES as a word: A pearly substance made mainly of stacked layers of aragonite and organic matter which lines the interior of many shells; mother-of-pearl; (obsolete) A shellfish which contains mother-of-pearl.
NACRES has been an answer once in the NYT Crossword and Mini puzzles we have on file, which go back to October 23, 2025.
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