the act of approaching or entering | a medical procedure involving an incision with instruments; performed to repair damage or arrest disease in a living body |
a way of entering or leaving | (mathematics) calculation by mathematical methods |
(computer science) the operation of reading or writing stored information | activity by a military or naval force (as a maneuver or campaign) |
the right to enter | a planned activity involving many people performing various actions |
the right to obtain or make use of or take advantage of something (as services or membership) | a process or series of acts especially of a practical or mechanical nature involved in a particular form of work |
a code (a series of characters or digits) that must be entered in some way (typed or dialed or spoken) to get the use of something (a telephone line or a computer or a local area network etc.) | a business especially one run on a large scale |
| the activity of operating something (a machine or business etc.) |
| (psychology) the performance of some composite cognitive activity; an operation that affects mental contents |
| (computer science) data processing in which the result is completely specified by a rule (especially the processing that results from a single instruction) |
| process or manner of functioning or operating |
| the state of being in effect or being operative |