| FOC | the concentration of attention or energy on something |
|---|---|
| FOC | a fixed reference point on the concave side of a conic section |
| FOC | a point of convergence of light (or other radiation) or a point from which it diverges |
| FOC | a central point or locus of an infection in an organism |
| FOC | special emphasis attached to something |
| FOC | put into focus |
| FOC | become focussed or come into focus |
| FOC | focus one's attention on something |
| FOC | bring into focus or alignment |
| FOC | cause to converge on or toward a central point |
| FOC | center upon |
| FOC | of an optical system (e.g. eye or opera glasses) adjusted to produce a clear image |