Employing or exhibiting the property of becoming birefringent when mechanically stressed, so that stress patterns in such a substance can be determined from the interference fringes formed by polarized light passed through it.

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Connections NYT: Hints For Today's Puzzle, Tue, Jan 13

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Today’s Wordle Answer Jan 13 #1669- NYT Wordle Hints & Updates

Today's NYT Pips Hints & Answers

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NYT Mini Crossword Answers Today - The Mini for Jan 13 Solved