| 복수 | focuses, foci【i, <`sai, `kai>】 |
| 시제 | focused, focussed - focused, focussed; focusing, focussing |
| Mean | A point at which rays of light or other radiation converge or from which they appear to diverge, as after refraction or reflection in an optical system. |
| 파생어 |
focusable [형]
focuser [명]
focusless [형]
|
