sextant /seksˈtənt/

1. The sixth part of a circle or its circumference, a sector or an arc of 60º
2. An instrument with an arc of a sixth of a circle, for measuring angular distances, esp a navigating instrument incorporating a small telescope
3. (with cap; also Sexˈtans /-tənz/) a constellation, lying over the equator
4. (also sexˈtans /-tənz/) a Roman bronze coin worth a sixth of an as (historical)

• product
• productibilities
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• productile
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• productional
• production car
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• production numbers
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• productively
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• productivity deals