simple past tense and past participle of sum

plural of sum

Third-person singular simple present indicative form of sum

plural of summing

present participle of sum

The act or result of addition; a sum.

The union of a finite sequence of surfaces taken over a disk common to every adjacent pair of the sequence, such that the boundary of the disk comprises some even number of closed arcs, disjoint except at their endpoints, which are alternatingly subarcs of the two surfaces' boundaries.

(mathematics) The vector whose initial and final points are those of a series of other vectors laid end to end.

Total; the result of adding a set of figures or counting a number of items. / Entirety; the aggregate of everything. / Epitome.

Total. / Entirety. / Epitome.