| Subject | Danish | English |
| gen. | ikke observeret ild | unobserved fire |
| health. | laveste koncentration med observeret effekt | lowest observed effect concentration |
| chem. | laveste koncentration med observeret effekt | lowest observed effect level |
| health. | niveau, der ikke medfører observeret skadelig virkning | no-observed-adverse-effect level |
| health. | niveau, der ikke medfører observeret skadelig virkning | no observable adverse effect level |
| IT, el. | observeret belastningstæller | observed load counter |
| agric. | observeret fartøj | vessel observed |
| stat., tech. | observeret fejlintensitet | observed failure rate |
| stat., tech. | observeret funktionsdygtighed | observed availability |
| tech., mater.sc. | observeret gennemsnitlig funktionsdygtighed | observed mean availability |
| stat., tech. | observeret gennemsnitlig netto vedligeholdelsestid | observed mean active maintenance time |
| gen. | observeret ild | observed fire |
| math. | observeret informationsmatrix | observed information matrix |
| stat., tech. | observeret levetidsfraktil | observed Q-percentile life |
| tech., chem. | observeret massefylde | observed density |
| stat., tech. | observeret middellevetid | observed mean life |
| stat., tech. | observeret middeltid mellem fejl | observed mean time between failures |
| stat., tech. | observeret middeltid til fejl | observed mean time to failure |
| tech., mater.sc. | observeret momentan funktionsdygtighed | observed instanteneous availability |
| life.sc., transp. | observeret position | pinpoint |
| stat., tech. | observeret pålidelighed | observed reliability |
| stat., lab.law. | observeret risiko | observed risk |
| stat., tech. | observeret vedligeholdelsesvenlighed | observed maintainability |
| stat. | observeret værdi | observed value |
| gen. | procedurer for justering af observeret ild | observed fire procedures |