| delta | |
| 1. n. The fourth letter of the modern Greek alphabet Δ, δ. | |
| 2. n. A landform at the mouth of a river where it empties into a body of water. | |
| Nile Delta | |
| 3. n. The letter D in the ICAO spelling alphabet, which assigns words to letters of the alphabet. | |
| 4. n. (mathematics) The symbol Δ. | |
| 5. n. (computing, informal) A small but noticeable effect. Compare epsilon. | |
| This will slow the main code path down, but only by delta. | |
| 6. n. (computing) The set of differences between two versions of a file. | |
| When you update the file, the system will only save the deltas. | |
| 7. n. (surveying) The angle subtended at the center of a circular arc. | |
| 8. n. A type of cargo bike that has one wheel in front and two in back. | |
| 9. n. (electrical, often, attributive) The closed figure produced by connecting three coils or circuits successively, end for end, especially in a three-phase system. | |
| delta winding; delta connection; delta current | |
| 10. n. (finance) The rate of change in an option value with respect to the underlying asset's price. | |
| 11. n. (chemistry) A value in delta notation indicating the relative abundances of isotopes. | |
