| Subject | English | Estonian |
| transp., mil., grnd.forc. | buffer locking | puhvri lukustumine |
| forestr. | cable lock | kaablilukk |
| comp., MS | CAPS LOCK key | suurtähelukk (A toggle key that, when on, shifts the alphabetic characters on the keyboard to uppercase) |
| environ. | carbon lock-in | sõltuvus COsub2sub-mahukast tootmisest |
| transp., mech.eng. | lock actuator | mehaaniline seisupidur |
| comp., MS | Lock Conference | Lukusta konverents (A button on Conference Controls that prevents anybody else from joining the current conference) |
| fin. | lock-in effect | seotuse efekt |
| fin. | lock-up | tagasivõtmise piirang |
| fin. | lock-up | kapitali külmutamise periood |
| fin. | lock-up period | tagasivõtmise piirang |
| comp., MS | pessimistic locking | kahtlustav lukustus (A type of locking in which the page containing one or more records, including the record being edited, is unavailable to other users when you use the Edit method, and remains unavailable until you use the Update method) |
| comp., MS | rotation lock button | kuvapöördeluku nupp (The button or slider on tablets and convertible tablets that rotates the display) |
| transp., tech., law | self-locking hexagonal nut | iselukustuv kuuskantmutter |
| comp., MS | subsidy lock | mobiilioperaatori lukk (A type of phone lock that original equipment manufacturers embed into their mobile phones at the request of mobile phone operators to prevent their use on a cellular network other than the one for which the phone was originally intended) |
| transp., tech., law | wheel lock | ratta blokeerumine |
| transp., tech., law | wheel-locking | ratta blokeerumine |