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