a medical procedure involving an incision with instruments; performed to repair damage or arrest disease in a living body | the cutting of or into body tissues or organs (especially by a surgeon as part of an operation) |
(mathematics) calculation by mathematical methods | one of several parts or pieces that fit with others to constitute a whole object |
activity by a military or naval force (as a maneuver or campaign) | one of the portions into which something is regarded as divided and which together constitute a whole |
a planned activity involving many people performing various actions | a self-contained part of a larger composition (written or musical) |
a process or series of acts especially of a practical or mechanical nature involved in a particular form of work | a segment of a citrus fruit |
a business especially one run on a large scale | a small army unit usually having a special function |
the activity of operating something (a machine or business etc.) | a division of an orchestra containing all instruments of the same class |
(psychology) the performance of some composite cognitive activity; an operation that affects mental contents | a small team of policemen working as part of a police platoon |
(computer science) data processing in which the result is completely specified by a rule (especially the processing that results from a single instruction) | a specialized division of a large organization |
process or manner of functioning or operating | a small class of students who are part of a larger course but are taught separately |
the state of being in effect or being operative | (geometry) the area created by a plane cutting through a solid |
| a distinct region or subdivision of a territorial or political area or community or group of people |
| a very thin slice (of tissue or mineral or other substance) for examination under a microscope |
| a land unit equal to 1 square mile |