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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).

δ

/δ/ (delta, the fourth letter of the Greek alphabet) heavy chain of IgD; δ chain of hemoglobin.

delta

/del·ta/ (delt´ah)
1. the fourth letter of the Greek alphabet; see also δ-.
2. a triangular area.

delta

[del′tə]
Δ, δ, fourth letter of the Greek alphabet.

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.

delta,

n a Greek letter symbolized by upper case Δ or lower case δ. See also Greek letters.

Δ

, δ
1. Fourth letter of the Greek alphabet, delta.
2. anatomy a triangular surface.

delta

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.

delta T lymphocyte
see T lymphocyte.
References in periodicals archive ?
Anna Torma of Deltic investor relations said it was "premature" to comment on how the transition might play out, referring a reporter to a Frequently Asked Questions section of the merger announcements.
Nevertheless, as a potential offeror, Deltic has been provided with access to due diligence materials by the company.
The call will also be broadcast live over the Internet and can be accessed through the Investor Relations section of the Deltic website, at www.
Butler, who lives across Gordon Road from Smith's patch of woods and is surrounded by Deltic land to the north, south and east, doesn't want to get caught up in the development fray between her neighbors.
Deltic has claimed ownership but told Piazza it now isn't sure.
Smith asked for authority to condemn a 1,500-SF strip of land owned by Deltic to gain access to develop his proposed Wildwood residential project in west Little Rock.
Part of the stipulation was that he not lease, trade or sell any portion of the property to Deltic," said Elizabeth Charleboix, whose family owned the land since 1944.
Like other publicly traded companies affected by the Dodd-Frank Wall Street Reform & Consumer Protection Act of 2010, Deltic Timber is asking its shareholders to give advisory approval to its executive compensation plan.
Deltic Timber Corporation (NYSE:DEL) announced at its Annual Meeting of Stockholders, management's nominees as Class III Directors, Christoph Keller, III, David L.
Online replays of the call will be available through the Deltic website, and a recording of the call will be available until Tuesday, May 3, by dialing 1-888-286-8010 and referencing replay passcode identification number 26704038.
Trustee had concerns about Phoenix Realty's filing because it came just hours after eviction papers were signed by a judge to remove Stephen Walker, the COO of a related Phoenix entity, from a house that belonged to Deltic Timber Corp.
Online replays of the call will be available through the Deltic website, and a recording of the call will be available until Thursday, March 3, by dialing 1-888-286-8010 and referencing replay passcode identification number 80034700.