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te·nu·i·ty | \ te-ˈnü-ə-tē 
, tə-, -ˈnyü- \
, tə-, -ˈnyü- \Definition of tenuity
1 : lack of substance or strength
2 : lack of thickness : slenderness, thinness the tenuity of poplars— Edith Wharton
3 : lack of density : rarefied quality or state
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Time Traveler for tenuity
The first known use of tenuity was in the 15th century
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