root symbol

root symbol

[′rüt ‚sim·bəl]
(computer science)
An element of a formal language, generally unique, that is not derivable from other language elements. Also known as root component.
References in periodicals archive ?
Louisiana police on Tuesday investigated a high school student and his home after he allegedly compared a square root symbol to a gun during class.
In Sam Dawson's excellent article on performance planning in the June issue, I believe the formula for calculating V, for weights less than maximum gross depicts the inverse of what was intended under the square root symbol.
Record option trade entries easily with a unique option symbol builder, which allows entry of option trades by commonly known option components, such as root symbol, expiration date, call/put, and strike price;
Note to editors: In the formula above, there is a square root symbol between "6 nV/" and "Hz"; there is a micron symbol between "0.