delta

n. a triangle-shaped area of land where a river divides into several smaller parts before entering the sea.

n. a landform at the mouth of a river where it empties into a larger body of water, typically characterized by a triangular shape and distributary channels.

“The Nile Delta is famous for its rich soil and long history of farming.”

“The sediment deposited at the delta creates a fertile but fragile ecosystem that is increasingly threatened by rising sea levels.”

n. a symbol used in math and science to show a change in an amount or value.

n. the symbol Δ used to represent a difference or change in a variable quantity.

“The scientist measured the delta in temperature over the course of the hour.”

“In this equation, the delta represents the net change in velocity over a specific interval of time.”

Technical

n. the fourth letter of the Greek alphabet.

n. the fourth letter of the Greek alphabet (Δ, δ), often used as a symbol in various academic disciplines.

“The professor wrote the Greek letter delta on the chalkboard.”

“The uppercase delta is shaped like a triangle, which is why the river landform was named after it.”

n. the differences between two versions of a computer file.

n. the set of differences between two versions of a file or data set, often used in version control systems.

“The software update only downloads the delta to save time and data.”

“By analyzing the delta between the two source files, the developer could pinpoint exactly where the bug was introduced.”

Technical

n. the word used for the letter 'D' when talking over the radio.

n. the code word for the letter 'D' in the NATO phonetic alphabet.

“The pilot identified the plane as Alpha-Bravo-Delta.”

“Standard radio procedure requires using 'Delta' to ensure the letter 'D' is not confused with 'B' or 'E' during transmission.”

v. to compare two versions of a file to see what has changed.

v. to perform a comparison between two versions of a file or data set to identify differences.

“We need to delta these two documents to see which one is the latest version.”

“The system is designed to automatically delta the incoming data against the existing database to prevent redundant entries.”

Technical