| Subject | English | Hungarian |
| econ. | apparatus based on the use of rays | sugárforrás |
| life.sc., fish.farm. | blonde ray | kurtafarkú rája (Raja brachyura) |
| comp., MS | Blu-ray Disc | Blu-ray lemez (A high definition optical disc format which uses a smaller focus blue-violet 405 nm laser allowing higher precision and storage density. A competitor to HD DVD) |
| el. | cathode ray | katódsugár |
| tech., el. | cathode ray oscillograph | katódsugár-oszcillográf |
| IT, tech. | cathode-ray tube | katódsugárcső |
| nat.sc. | cosmic ray | kozmikus sugárzás |
| life.sc., fish.farm. | cuckoo ray | kakukkrája (Leucoraja naevus, Raja naevus) |
| agric. | fin rays | uszonysugarak pl |
| food.ind. | gamma rays | gammasugarak |
| cultur., nat.sc. | infra-red rays | infravörös sugarak |
| gen. | medical X-ray | orvosi röntgen |
| bot. | medullary ray | velő- v bélsugár |
| forestr. | medullary rays | bélsugarak pl |
| bot. | pith ray | velő- v bélsugár |
| life.sc., fish.farm. | Raja rays | valódi rájafélék (Raja spp.) |
| life.sc., fish.farm. | round ray | holdrája (Rajella fyllae, Raja fyllae) |
| life.sc., fish.farm. | sandy ray | sápadt rája (Leucoraja circularis, Raja circularis) |
| life.sc., fish.farm. | shagreen ray | érdes rája (Leucoraja fullonica, Raja chagrinea, Raja fullonica) |
| life.sc., fish.farm. | skates and rays | valódi rájafélék (Rajidae) |
| life.sc., fish.farm. | small-eyed ray | csíkos rája (Raja microocellata) |
| life.sc., fish.farm. | spotted ray | foltos rája (Raja montagui) |
| life.sc., fish.farm. | starry ray | csillagrája (Amblyraja radiata, Raja radiata) |
| bot. | stigmatic rays | bibesugarak pl |
| life.sc., fish.farm. | thornback ray | tüskés rája (Raja clavata) |
| life.sc., fish.farm. | undulate ray | cifra rája (Raja undulata) |
| environ. | X ray A penetrating electromagnetic radiation, usually generated by accelerating electrons to high velocity and suddenly stopping them by collision with a solid body, or by inner-shell transitions of atoms with atomic number greater than 10; their wavelength ranges from about 10(-5) angstrom to 10 angstroms, the average wavelength used in research being 1 angstrom | röntgen |