| a screen or mat covered with a dark material for shielding a camera lens from excess light or glare. |
| a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question. |
sum1 (sʌm) ![]() | |
| —n | |
| 1. | a. the result of the addition of numbers, quantities, objects, etc |
| b. the cardinality of the union of disjoint sets whose cardinalities are the given numbers | |
| 2. | one or more columns or rows of numbers to be added, subtracted, multiplied, or divided |
| 3. | maths the limit of a series of sums of the first n terms of a converging infinite series as n tends to infinity |
| 4. | (plural) another name for number work |
| 5. | a quantity, esp of money: he borrows enormous sums |
| 6. | the essence or gist of a matter (esp in the phrases in sum, in sum and substance) |
| 7. | a less common word for summary |
| 8. | archaic the summit or maximum |
| 9. | (modifier) complete or final (esp in the phrase sum total) |
| —vb , sums, summing, summed | |
| 10. | ( |
| 11. | (tr) to calculate the sum of (the terms in a sequence) |
| [C13 summe, from Old French, from Latin summa the top, sum, from summus highest, from superus in a higher position; see | |
| sum (sŭm) Pronunciation Key
The result of adding numbers or quantities. The sum of 6 and 9, for example, is 15, and the sum of 4x and 5x is 9x. |
| SUM software users manual |