Definition of "two-thirds" []

• Two of three equal parts of a divisible whole (noun)

WordNet. Princeton University. 2010.

• "The evidence at trial showed that the 1978 Bronco is an unstable sport utility vehicle that Ford marketed for American families with a roof that is two-thirds plastic/one-third steel and has no roll bar."
• "Any statute or ordinance can be revised or repealed by a majority of the appropriate legislative body, but amending the Constitution requires approval by two-thirds of both houses of Congress and then ratification by three-fourths of the states."
• "As the Bronco rolled two and a half times, the two-thirds of the roof that was plastic broke off completely at the roof pillars and crashed into the occupant compartment; the front steel portion flattened to the dashboard."