AT (form factor)In the era of IBM compatible personal computers, the AT form factor comprises the dimensions and layout (form factor) of the motherboard for the IBM AT. Baby AT motherboards are slightly smaller, measuring 8.5" by 13". Like the IBM PC and IBM XT models before it, many third-party manufacturers produced motherboards compatible with the IBM AT form factor, allowing end users to upgrade their computers for faster processors.
DIN connectorThe DIN connector is an electrical signal connector that was standardized by the Deutsches Institut für Normung (DIN), the German Institute for Standards, in the mid 1950s, initially with three pins for mono, but when stereo connections and gear appeared in the late 1950s, versions with five pins or more were made. The male DIN connectors (plugs) feature a 13.2 mm diameter metal shield with a notch that sets the orientation in which plug and socket can mate.Transactional analysisTransactional analysis is a psychoanalytic theory and method of therapy wherein social interactions (or "transactions") are analyzed to determine the ego state of the communicator (whether parent-like, childlike, or adult-like) as a basis for understanding behavior. In transactional analysis, the communicator is taught to alter the ego state as a way to solve emotional problems.
At (command)at is a shell command for scheduling commands to be executed once, at a future time. The command was originally developed for use with Unix and is now available on a variety of Unix-like systems, as well as Windows, and ReactOS.
At (cuneiform)The cuneiform sign at, is a common-use sign of the Amarna letters, the Epic of Gilgamesh, and other cuneiform texts (for example Hittite texts). It has secondary uses in the Amarna letters for "ad".
At signThe at sign (@) is a typographical symbol used as an accounting and invoice abbreviation meaning "at a rate of" (e.g. 7 widgets @ £2 per widget = £14), and now seen more widely in email addresses and social media platform handles. Most languages have their own name for the symbol.
AntithrombinAntithrombin (AT) is a small glycoprotein that inactivates several enzymes of the coagulation system. It is a 464-amino-acid protein produced by the liver. It contains three disulfide bonds and a total of four possible glycosylation sites. α-Antithrombin is the dominant form of antithrombin found in blood plasma and has an oligosaccharide occupying each of its four glycosylation sites.Ataxia–telangiectasiaAtaxia–telangiectasia (AT or A–T), also referred to as ataxia–telangiectasia syndrome or Louis-Bar syndrome, is a rare, neurodegenerative disease causing severe disability. Ataxia refers to poor coordination and telangiectasia to small dilated blood vessels, both of which are hallmarks of the disease. A–T affects many parts of the body: It impairs certain areas of the brain including the cerebellum, causing difficulty with movement and coordination.
Atrial tachycardiaAtrial tachycardia is an umbrella term for an abnormal heart rhythm, specifically a subtype of Supraventricular tachycardia, in which the heart's electrical impulse begins in the upper chambers (atria), rather than from the sinoatrial node, which is the normal origin of the heart's electrical activity.
Athletic trainingAthletic training is an allied health care profession recognized by the American Medical Association (AMA) that "encompasses the prevention, examination, diagnosis, treatment, and rehabilitation of emergent, acute, or chronic injuries and medical conditions."Aliança da TerraAliança da Terra (AT), or the Land Alliance, is a Brazilian non-governmental organization that connects farmers, researchers, environmentalists and entrepreneurs in the agribusiness industry to promote environmental awareness and land management practices in the Amazon region. Alianca da Terra was formed in 2004 by John Cain Carter, an American rancher and pilot based in Mato Grosso, Brazil.
.at.at is the Internet country code top-level domain (ccTLD) for Austria. It was introduced on 20 January 1988 and initially administered by the University of Vienna, before being taken over in 1998 by nic.at, based in Salzburg.
AdpositionIn linguistics, adpositions are a class of words used to express spatial or temporal relations (in, under, towards, behind, ago, etc.) or mark various semantic roles (of, for). The most common adpositions are prepositions (which precede their complement) and postpositions (which follow their complement). An adposition typically combines with a noun phrase, this being called its complement, or sometimes object.atRelated word or term.Appendix:Variations of "at"Related word or term.*As an Amazon Associate I earn from qualifying purchases.