delta


Also found in: Dictionary, Thesaurus, Legal, Financial, Acronyms, Encyclopedia, Wikipedia.
Related to delta: Delta Force

delta

 [del´tah]
1. the fourth letter of the Greek alphabet, Δ or δ; used in chemical names to denote the fourth of a series of isomeric compounds or the carbon atom fourth from the carboxyl group, or to denote the fourth of any series.
2. a triangular area.

Δ

1. Fourth letter of the Greek alphabet, delta.
2. In chemistry, denotes a double bond, usually with a superscript to indicate position in a chain (Δ5), application of heat in a reaction (A B), absence of heat treatment (), distance between two atoms in a molecule, or position of a substituent located on the fourth atom from the carboxyl or other primary functional group (δ); change (Δ); thickness (δ); chemical shift in NMR (δ).
3. anatomy a triangular surface.

del·ta (Δ),

(del'tă),
1. Fourth letter of the Greek alphabet, Δ (capital), δ (lower case).

YY1

A gene on chromosome 14q that encodes a ubiquitous transcription factor belonging to the GLI-Kruppel class of zinc finger proteins, which directs histone deacetylases or histone acetyltransferases to myriad promoters activating or repressing their activity, implicating histone modification in YY1 activity.

δ,

Δ
Abbreviation for delta; diopter.

del·ta

(Δ, δ) (del'tă)
1. Fourth letter of the Greek alphabet.
2. chemistry A double bond, usually with a superscript to indicate position in a chain (Δ5); application of heat in a reaction (A B); absence of heat treatment (Δ); distance between two atoms in a molecule, or position of a substituent located on the fourth atom from the carboxyl or other primary functional group (δ); change (Δ); thickness (δ); chemical shift in NMR (δ).
3. anatomy A triangular surface.

Δ

, δ
1. Fourth letter of the Greek alphabet, delta.
2. anatomy a triangular surface.
References in periodicals archive ?
Woolman, Dillon embodies Deltas values of caring for people and holds a deep-seated a passion for aviation.
Delta Private Jets, Inc., a wholly owned subsidiary of Delta Air Lines (NYSE: DAL), provides aircraft charter services, aircraft management, and its distinctive membership programs, the Delta Private Jets Card and Sky Access.
Uduaghan's opponent at the Delta South primaries at Oleh is Ijaw-born Chief Michael Johnny.
Delta will review the video chat test to understand if it creates a better engagement opportunity for the customer, while capturing employee feedback to drive improvements.
Woodruff notes, however, that in the wake of new political space created by, among other things, the elimination of the all white Democratic primary, Delta blacks began to push aggressively for the vote.
IF YOWR ANSWER MATCHES ONE OF THE TWO LEFT ON THE BOARD, DELTA COMPANY WILL WIN THE GAME AND GO INTO THE BIG MONEY ROUND!
Since her arrival in Marks, the infant mortality rate in this part of the Delta has been virtually cut in half.
Delta and other airlines that have submitted proposals for additional Haneda service now have the opportunity to respond to DOTs preliminary order.
Uduaghan, the immediate past governor of Delta state under the platform of the PD between 2007 and 2015, stated this when he fielded questions from State House correspondents at the end of the meeting of APC Caucus held at the Presidential Villa, Abuja, on Tuesday night.
Delta has announced it is celebrating its 20th anniversary of service to Lima, Peru, the company said.
Delta Private Jets has announced the appointment of Jeff Fehlis, Robert Bourrier, Patrick Busscher, Michael Trent, Barry Behnfeldt, Mark Carroll, and Clint Foss, all joining the company from Delta Air Lines, the company said.
Delta Dedicates 'Pink Plane' to The Breast Cancer Research Foundation[umlaut] Founder Evelyn Lauder.