noun or participle which takes 'suru', intransitive verb, noun
Medical/physiological term for having an erection; used with する. The noun form can refer to the state itself.
from English erect
性的興奮によってエレクトする。
One gets an erection due to sexual arousal.
エレクトが持続しない
If the erection does not persist, please consult a doctor.