overdischarge1
/ˌəʊvəˈdɪstʃɑːdʒ/noun
Excessive discharge, especially of electricity; specifically the discharge of an accumulator or storage battery beyond a certain limit, especially so as to cause damage to it.
Origin
Mid 19th century; earliest use found in Scientific American. From over- + discharge.
overdischarge2
/ˌəʊvədɪsˈtʃɑːdʒ/verb
1 [with object] To discharge (an accumulator or storage battery) beyond a certain limit.
2 [no object] Of an accumulator or storage battery: to discharge beyond a certain limit.
Origin
Late 19th century (in an earlier sense). From over- + discharge.