| Subject | English | Danish |
| environ., agric. | automatic lightning detection system | automatisk lynsporingssystem |
| earth.sc. | ball lightning | kuglelyn |
| el. | chopped lightning impulse | klippet lynimpuls |
| med. | death by lightning | lyndrab |
| el. | direct lightning strike | direkte lynnedslag |
| life.sc. | flash of lightning | lynnedslag |
| life.sc. | forked lightning | gaffellyn |
| el. | full lightning impulse | fuld lynimpuls |
| earth.sc. | globe lightning | kuglelyn |
| earth.sc., life.sc. | heat lightning | varmelyn |
| life.sc. | heat lightning | kornmod |
| el. | horn lightning-arrester | hornlynafleder |
| el. | indirect lightning strike | indirekte lynnedslag |
| el. | lightning arrester | overspændingsafleder |
| el. | lightning arrester | lynafleder |
| gen. | lightning arresters | overspændingssikringer |
| gen. | lightning arresters | lynafledere |
| industr. | lightning arrestor | overspændingsafleder |
| earth.sc., life.sc. | lightning channel | lynkanal |
| el. | lightning conductor | lynafleder |
| gen. | lightning conductors | overspændingssikringer |
| gen. | lightning conductors | lynafledere |
| earth.sc., mech.eng., construct. | lightning conductors | indfanger |
| gen. | lightning conductors rods | lynafledere |
| gen. | lightning conductors rods | overspændingssikringer |
| gen. | lightning detector | lyndetektor |
| med. | lightning figure | dendritfigur |
| med. | lightning figures | lynfigurer |
| gen. | lightning fire | lynbrand |
| environ., agric. | lightning fire occurrence index | lynnedslagsindeks |
| mun.plan., earth.sc., life.sc. | lightning flash | lyn (fulgur) |
| mun.plan., earth.sc., life.sc. | lightning flash | lynnedslag (fulgur) |
| commun., IT | lightning-flash counter | lynglimt-tæller |
| med. | lightning-flash syndrome | lynnedslagssyndrom |
| med. | lightning foot | burning feet |
| el. | lightning impulse | lynimpuls |
| el. | lightning impulse protective level | beskyttelsesniveau for lynimpuls |
| mun.plan. | lightning mincer with cutting wheel | hakker med skærehjul |
| el. | lightning overvoltage | lynoverspænding |
| med. | lightning pain | initialsmerte |
| mech.eng., el. | lightning protection | lynafleder |
| construct. | lightning protection | lynaflederanlæg |
| transp., polit. | lightning protection equipment | lynafledningsudstyr |
| gen. | lightning protection mast | lynafledermast |
| life.sc., tech. | lightning recorder | lynregistrator |
| agric. | lightning ring | sår efter lynnedslag |
| el. | lightning rod | lynafleder |
| nat.sc., agric. | lightning shake | indre brud |
| life.sc. | lightning storm | tordenvejr |
| life.sc. | lightning storm | uvejr |
| tax. | lightning strike | lynnedslag |
| transp., avia. | lightning strikes | lynnedslag |
| el. | lightning stroke | lynnedslag |
| environ., agric. | lightning stroke counter | lynnedslagstæller |
| life.sc., tech. | local lightning counter | keraunometer |
| tech. | magnetic detector for lightning currents | magnetstav |
| tech. | magnetic detector for lightning currents | magnetisk indikator for lynstrøm |
| earth.sc., life.sc. | pearl lightning | perlelyn |
| earth.sc., life.sc. | pearl necklace lightning | perlelyn |
| el. | plate-type lightning-arrester | pladelynafleder |
| el. | protection ratio against lightning impulses | beskyttelsesfaktor for lynimpulser |
| life.sc. | rocket lightning | raketlyn |
| el. | sectional lightning-arrester | sektionslynafleder |
| el. | self-induction coil lightning-arrester | lynafleder med selvinduktionsspole |
| earth.sc., life.sc. | sheet lightning | diffust lyn |
| life.sc. | sheet lightning | skyreflekser |
| life.sc. | streak lightning | retlinet udladning |
| life.sc. | summer lightning | kornmod |
| social.sc., health. | white lightning | syre |