GD, Gd, or gd may refer to:

Arts and entertainment

G-Dragon Kwon Ji-yong (; born August 18, 1988), also known by his stage name G-Dragon (지드래곤), is a South Korean rapper, singer-songwriter, record producer, entrepreneur and fashion designer, known as the " King of K-pop". G-Dragon is the recipi ...

(born 1988), leader of the South Korean musical group Big Bang *

Grateful Dead The Grateful Dead was an American rock music, rock band formed in 1965 in Palo Alto, California. The band is known for its eclectic style, which fused elements of rock, Folk music, folk, country music, country, jazz, bluegrass music, bluegrass, ...

, an American rock band *

Green Day Green Day is an American rock band formed in the East Bay of California in 1987 by lead vocalist and guitarist Billie Joe Armstrong, together with bassist and backing vocalist Mike Dirnt. For most of the band's career, they have been a powe ...

, an American rock band * '' Geometry Dash'', a rhythm-based video game for smartphones and PC *Good Drawing, in text this means that the drawing of a person is good

Business and economics

Gardner Denver Ingersoll Rand is an American multinational company that provides flow creation and industrial products. The company was formed in February 2020 through the spinoff of the industrial segment of Ingersoll-Randplc (now known as Trane Technologies) ...

, a US-based manufacturer of industrial equipment *

General Dynamics General Dynamics Corporation (GD) is an American publicly traded, aerospace and defense corporation headquartered in Reston, Virginia. As of 2020, it was the fifth-largest defense contractor in the world by arms sales, and 5th largest in the Uni ...

, a US-based defense conglomerate *

Good Delivery The Good Delivery specification is a set of rules issued by the London Bullion Market Association (LBMA) describing the physical characteristics of gold and silver bars used in settlement in the wholesale London bullion market. It also puts forth ...

, a specification for gold and silver bars *

Great Depression The Great Depression (19291939) was an economic shock that impacted most countries across the world. It was a period of economic depression that became evident after a major fall in stock prices in the United States. The economic contagio ...

, a sudden collapse of the global economy in the 1920s * Composite Index on the

Athens Stock Exchange The Athens Stock Exchange (ASE or ATHEX; el, Χρηματιστήριο Αθηνών (Χ.Α.), ''Chrimatistírio Athinón'') is the stock exchange of Greece, based in the capital city of Athens. It was founded in 1876. There are currently five ...

(stock symbol GD)

Math, science and technology

Biology and medicine

Gaucher's disease Gaucher's disease or Gaucher disease () (GD) is a genetic disorder A genetic disorder is a health problem caused by one or more abnormalities in the genome. It can be caused by a mutation in a single gene (monogenic) or multiple genes (polyg ...

, a lipid storage diseases *

Gender dysphoria Gender dysphoria (GD) is the distress a person experiences due to a mismatch between their gender identitytheir personal sense of their own genderand their sex assigned at birth. The diagnostic label gender identity disorder (GID) was used until ...

, distress caused by a difference between the sex and gender a person was assigned at birth * Generalized

dystonia Dystonia is a neurological hyperkinetic movement disorder in which sustained or repetitive muscle contractions result in twisting and repetitive movements or abnormal fixed postures. The movements may resemble a tremor. Dystonia is often inten ...

, a neurological movement disorder *

Gestational diabetes Gestational diabetes is a condition in which a woman without diabetes develops high blood sugar levels during pregnancy. Gestational diabetes generally results in few symptoms; however, it increases the risk of pre-eclampsia, depression, and of ...

, a form of diabetes associated with pregnancy *

Graves' disease Graves' disease (german: Morbus Basedow), also known as toxic diffuse goiter, is an autoimmune disease that affects the thyroid. It frequently results in and is the most common cause of hyperthyroidism. It also often results in an enlarged thyr ...

, an autoimmune thyroid disorder * ''Gain of deiodinases'' or

Sum activity of peripheral deiodinases The sum activity of peripheral deiodinases (''GD'', also referred to as deiodination capacity, total deiodinase activity or, if calculated from levels of thyroid hormones, as SPINA-GD) is the maximum amount of triiodothyronine produced per time-uni ...

, used in diagnosis of thyroid disorders * ''Grover's disease'', another name for

Transient acantholytic dermatosis Grover's disease (GD) is a polymorphic, pruritic, papulovesicular dermatosis characterized histologically by acantholysisFreedberg, et al. (2003). ''Fitzpatrick's Dermatology in General Medicine''. (6th ed.). McGraw-Hill. . with or without dyske ...

Video game addiction Video game addiction (VGA), also known as gaming disorder or internet gaming disorder, is generally defined as the problematic, compulsive use of video games that results in significant impairment to an individual's ability to function in vario ...

, also known as gaming disorder

Chemistry

Gadolinium Gadolinium is a chemical element with the symbol Gd and atomic number 64. Gadolinium is a silvery-white metal when oxidation is removed. It is only slightly malleable and is a ductile rare-earth element. Gadolinium reacts with atmospheric oxygen ...

, symbol Gd, a chemical element *

Soman Soman (or GD, EA 1210, Zoman, PFMP, A-255, systematic name: ''O''-pinacolyl methylphosphonofluoridate) is an extremely toxic chemical substance. It is a nerve agent, interfering with normal functioning of the mammalian nervous system by inhibiti ...

, a toxic chemical (NATO designation GD)

Computing

GD Graphics Library The GD Graphics Library is a graphics software library by Thomas Boutell and others for dynamically manipulating images. Its native programming language is ANSI C, but it has interfaces for many other programming languages. It can create GIFs, JP ...

, for dynamically manipulating images *

GD-ROM GD-ROM (an abbreviation of "Gigabyte Disc Read-Only Memory") is a proprietary optical disc format originally used for the Dreamcast video game console, as well as its arcade counterpart, the Sega NAOMI and select Triforce arcade board titles. It ...

, storage media for the Sega Dreamcast *

.gd .gd is the country code top-level domain (ccTLD A country code top-level domain (ccTLD) is an Internet The Internet (or internet) is the global system of interconnected computer networks that uses the Internet protocol suite (TCP/ ...

, the country code top-level domain for Grenada

Mathematics

* Gaussian distribution, also called the normal distribution, an important family of continuous probability distributions *

Generalized Dirichlet distribution In statistics, the generalized Dirichlet distribution (GD) is a generalization of the Dirichlet distribution with a more general covariance structure and almost twice the number of parameters. Random vectors with a GD distribution are completely ...

, a probability distribution used in statistics *

Gudermannian function In mathematics, the Gudermannian function relates a hyperbolic angle measure \psi to a circular angle measure \phi called the ''gudermannian'' of \psi and denoted \operatorname\psi. The Gudermannian function reveals a close relationship betwee ...

, used in map-making *

International Symposium on Graph Drawing The International Symposium on Graph Drawing (GD) is an annual academic conference in which researchers present peer reviewed papers on graph drawing, information visualization of network information, geometric graph theory, and related topics. S ...

, an annual academic conference on graph drawing, network visualization, graph theory, and related topics

Places

Georgia Dome The Georgia Dome was a domed stadium in the Southeastern United States. Located in Atlanta between downtown to the east and Vine City to the west, it was owned and operated by the State of Georgia as part of the Georgia World Congress Center ...

, a stadium in Atlanta, Georgia and the home of the Atlanta Falcons *

Grenada Grenada ( ; Grenadian Creole French: ) is an island country in the West Indies in the Caribbean Sea at the southern end of the Grenadines island chain. Grenada consists of the island of Grenada itself, two smaller islands, Carriacou and Pe ...

(ISO 3166 country code) *

Guangdong Guangdong (, ), alternatively romanized as Canton or Kwangtung, is a coastal province in South China on the north shore of the South China Sea. The capital of the province is Guangzhou. With a population of 126.01 million (as of 2020) ...

, a province of China (Guobiao abbreviation GD)

Other uses

Gangster Disciples The Gangster Disciples are an African American street and prison gang, which was formed in the South Side of Chicago in the late 1960s, by Larry Hoover, leader of the Supreme Gangsters, and David Barksdale, leader of the Black Disciples. The tw ...

, a black street gang in the United States * General Delivery (French:

Poste restante ''Poste restante'' (, "remainder post"), also known as general delivery in North American English, is a service where the post office holds the mail until the recipient calls for it. It is a common destination for mail for people who are visiting ...

), a service where the post office holds mail until the recipient calls for it *

Georgian Dream Georgian Dream – Democratic Georgia ( ka, ქართული ოცნება – დემოკრატიული საქართველო, ''Kartuli ocneba – Demok’rat’iuli Sakartvelo'') is a social democratic political ...

, a political party in the country of Georgia *

Goal difference Goal difference, goal differential or points difference is a form of tiebreaker used to rank sport teams which finish on equal points in a league competition. Either "goal difference" or "points difference" is used, depending on whether matches ar ...

, in sport *

Groundhog day Groundhog Day ( pdc, Grund'sau dåk, , , ; Nova Scotia: Daks Day) is a popular North American tradition observed in the United States and Canada on February 2. It derives from the Pennsylvania Dutch superstition that if a groundhog emerges from ...

Scottish Gaelic Scottish Gaelic ( gd, Gàidhlig ), also known as Scots Gaelic and Gaelic, is a Goidelic language (in the Celtic branch of the Indo-European language family) native to the Gaels of Scotland. As a Goidelic language, Scottish Gaelic, as well as ...

language (ISO 639-1 code ) *

Subaru Impreza (second generation) The second generation of the Subaru Impreza compact car was introduced in 2000 and manufactured up to 2007 by Subaru in Ota, Gunma, Japan, in both sedan (GD series) and five-door wagon (GG series) bodystyles, as well as two intermediate facel ...

sedan (ID code: GD) * ''G-d,'' a substitution of ''God'' used by some religiously observant Jews to refer to

YHWH The Tetragrammaton (; ), or Tetragram, is the four-letter Hebrew theonym (transliterated as YHWH), the name of God in the Hebrew Bible. The four letters, written and read from right to left (in Hebrew), are ''yodh'', '' he'', ''waw'', and '' ...

Toyota GD engine The Toyota GD engine series is a diesel engine produced by Toyota which appeared in 2015. It replaced the Toyota KD engine series as a diesel engine series mainly oriented to body-on-frame vehicles. The GD engine featured Economy with Superior Th ...

, a straight-4 piston diesel engine developed by Toyota in 2015 {{disambiguation