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rotary-wing aircraft
rotate
rotation
rotator
rotator cuff
rotavate
Rotavator
rotavirus
rotaxane
ROTC
rote (1)
rote (2)
rote (3)
rotenone
rotgut
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rotaxane
ro·tax·ane [ rō ták sàyn ] (plural ro·tax·anes)


noun 
Definition:
 
chemical compound of two parts: a chemical compound consisting of two unbonded portions, a long thin molecule that is encircled by a molecule held in its position by large end groups
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