| Subject | English | Korean |
| comp., MS | Blu-ray Disc | 블루레이 디스크 (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) |
| IT | cathode ray tube | 음극선관CRT |
| ichtyol. | cuckoo ray | 가오리과 (gaorigwa, Raja naevus) |
| ichtyol. | eagle ray | 매가오리속 (maegaorisok, Aetobatus narinari, Myliobatidae, Myliobatis acquila, Myliobatis freminvillei, Myliobatis goodei, Myliobatis tenuicandatus, Pteromylaeus bovinus) |
| ichtyol. | painted ray | 가오리과 (gaorigwa, Raja microocellata) |
| ichtyol. | ray's bream | 새다래속 (saedaraesok, Brama brama, brama rayi) |
| ichtyol. | sandy ray | 가오리과 (gaorigwa, Raja circularis) |
| ichtyol. | shagreen ray | 가오리과 (gaorigwa, Raja fullonica) |
| ichtyol. | spotted ray | 가오리과 (gaorigwa, Raja montagui) |
| fish.farm. | spotted rayſ | 가오리과 (gaorigwa, Raja montagui) |
| ichtyol. | starry ray | 가오리과 (gaorigwa, Raja asterias, raja punctata) |
| ichtyol. | thornback ray | 가오리과 (gaorigwa, Raja clavata) |
| ichtyol. | óndulate ray | 가오리과 (gaorigwa, Raja undulata) |