 |
| Subject | English | Japanese |
| abbr. | n animated film released direct-to-video | ＯＶＡ |
| light. | direct flux on a surface | 直接光束 ある面への |
| abbr. | n direct mail | ＤＭ |
| comp. | n direct memory access | ＤＭＡ |
| phys. | direct nonradiative transition | 直接非放射遷移 (ちょくせつ・ひほうしゃ・せん'い) |
| phys. | direct transition | 直接遷移 (ちょくせつ・せん'い) |
| abbr. | n film released direct-to-video | ＯＶ |