noun Date: 1965 a double helix (as of DNA) that has undergone additional twisting in the same or in the opposite direction as the turns in the original helix, ~ verb
SUPERCOIL
Meaning of SUPERCOIL in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012