supertension

su·per·ten·sion

(sū'pĕr-ten'shŭn),
Extreme tension; incorrectly used as a synonym of high blood pressure, or hyperpiesis.

supertension

extreme tension.
References in periodicals archive ?
dmkth-11 11 7101 dismantling of nine (9) existing transformers supertension units 66 kv / mv.