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It controls the amount of light admitted Crossword Clue

4 letters · New York Times · Friday, August 17, 2012 · 21-Down

Appeared in 2 New York Times Crosswords in August 2012.

Exact puzzle match · New York Times · August 17, 2012 · 21-Down · 4 letters

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What does this clue mean?

muscular diaphragm that controls the size of the pupil which in turn controls the amount of light that enters the eye; it forms the colored portion of the eye

noun

WordNet® (Princeton University)

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4 letters

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  • FSTOP5 letters
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    Appeared in 1 New York Times Crossword: Friday, August 17, 2012.

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It controls the amount of light admitted Crossword Clue (2 Answers) | CrosswordAlly