Definition of supertwisted in US English:

supertwisted

adjective

  • 1Having a supertwist. In later use: (Biochemistry) designating DNA which has a superhelical structure.

  • 2Electronics. More fully "supertwisted nematic". Of a liquid crystal display: that rotates the plane of polarized light passing through the display by more than 90 degrees (typically by between 180 and 270 degrees).

Origin

1930s. From super- + twisted, after supertwist.