(electronics) A transient voltage spike that is allowed to pass through a power conditioning unit to the load

(transitive) To release. / (Canada, US, intransitive) Of a school: to finish for the day or term, allowing the pupils to go home. / To allow to operate at higher speed by adjusting controls.

(intransitive, of something intense) To cease or stop. / (intransitive) To cease or stop (doing something intense).

present participle of let down

present participle of let out

present participle of let off

(transitive) To let anew (as a house).

present participle of let go

(ditransitive) To inform (someone) (of something).

present participle of let loose