| Subject | English | Korean |
| ichtyol. | black bass | 검정우럭과 (geomjeongureokgwa) |
| comp., MS | black box | 블랙 박스 (A unit of hardware or software whose internal structure is unknown but whose function is documented) |
| comp., MS | black box test | 블랙 박스 테스트 (A test that is based on a component's actual behavior, without regard to its implementation) |
| IT | black box testing | 블랙 박스 테스팅 |
| ichtyol. | black croaker | 보구치속 (boguchisok, Argyrosomus nibe, Cheilotrema saturnum) |
| ichtyol. | black marlin | 백새치 (baeksaechi, Makaira indica, makaira marlina) |
| comp., MS | Black metal | 블랙 메탈 (One of the music genres that appears under Genre classification in Windows Media Player library. Based on ID3 standard tagging format for MP3 audio files. Winamp genre ID 138) |
| math. | Black-Scholes formula | 블렉-숄츠 공식 |
| comp., MS | Black thumbpads | 검정 엄지 키보드 (A DialKeys style that shows black keys appearing in two semicircles in the corners of the screen) |
| comp., MS | Fade In, From Black | 검정에서 페이드 인 (A filter effect in Windows Movie Maker) |
| comp., MS | Fade Out, To Black | 검정에서 페이드 아웃 (A filter effect in Windows Movie Maker) |
| comp., MS | red/black tree | 빨강/검정 트리 (A binary search tree which uses a one-bit flag on each node to identify the node by color: either red or black. A set of constraints on node color helps form an approximately balanced binary tree) |
| comp., MS | rich black | 진한 검정 (A more saturated black color created by using 100% process black and some percentage of one or more of cyan, magenta, or yellow) |