pure absence(n = noun.state) simple absence - an absence seizure without other complications; followed by 3-per-sec brainwave spikes;
is a kind of absence, absence seizure

absence, absence without leave, army of the pure, complex absence, leave of absence, make pure, pure, pure binary numeration system, pure gold, pure imaginary number, pure mathematics, pure tone, simon pure, simple absence, subclinical absence, unauthorized absence