ASR may refer to:

Military

* A US Navy hull classification symbol: Submarine rescue vessel (ASR) * U.S.

Army Service Ribbon The Army Service Ribbon (ASR) is a military award of the United States Army that was established by the Secretary of the Army on 10 April 1981 as announced in Department of the Army General Order 15, dated 10 October 1990. The Navy, Marine Corps, ...

Organizations and publications

ASR Nederland ASR Nederland is a major Dutch insurance group based in Utrecht. The company was created in its current form in 2008 when the insurance business was split out of Fortis, after it was acquired by the Dutch government during the 2008 financial cri ...

, a Dutch insurance company *

Academy at Swift River The Academy at Swift River, also known as ASR, was a coeducational therapeutic boarding school for teenagers, located in Plainfield and Cummington, Massachusetts. Established in 1997 and closed in 2013, it was a part of the Aspen Education Grou ...

Erkilet International Airport Erkilet International Airport or Kayseri Erkilet Airport is a military airbase and public airport located north of Kayseri in the Kayseri Province of Turkey. The airport is a major hub for travel to Cappadocia. Facilities The prior capacity of ...

, Turkey, IATA code * Anderson Serangoon Junior College, pre-university institution in Singapore

Science

Ancestral sequence reconstruction Ancestral sequence reconstruction (ASR) – also known as ancestral gene/sequence reconstruction/resurrection – is a technique used in the study of molecular evolution. The method uses related sequences to reconstruct an "ancestral" gene from a m ...

, to infer ancient DNA sequences *

Acute stress reaction Acute stress reaction (ASR), also known as psychological shock, mental shock, or simply shock, as well as acute stress disorder (ASD), is a psychological response to a terrifying, Psychological trauma, traumatic, or surprising experience. The r ...

to traumatic event * Adult sex ratio of males to females *

Alkali–silica reaction The alkali–silica reaction (ASR), also commonly known as concrete cancer, is a deleterious internal swelling reaction that occurs over time in concrete between the highly alkaline cement paste and the reactive amorphous (''i.e.'', non-crystal ...

, affecting sensitive aggregates and causing concrete expansion and failure * Analyte-specific reagent, a class of biological molecules * Asian

soybean rust Soybean rust is a disease that affects soybeans and other legumes. It is caused by two types of fungi, '' Phakopsora pachyrhizi'', commonly known as Asian soybean rust, and '' Phakopsora meibomiae'', commonly known as New World soybean rust. ''P. ...

, a plant disease * Age-Standardized Rates of a phenomenon in a series of populations.

Technology

Automatic speech recognition Speech recognition is an interdisciplinary subfield of computer science and computational linguistics that develops methodologies and technologies that enable the recognition and translation of spoken language into text by computers. It is also k ...

* Automotive shredder residue, of shredded automobiles *

Aquifer storage and recovery Aquifer storage and recovery (ASR) is the direct injection of surface water supplies such as potable water, reclaimed water (i.e. rainwater), or river water into an aquifer for later recovery and use. The injection and extraction is often done by ...

, of potable water in an aquifer *

Airport surveillance radar An airport surveillance radar (ASR) is a radar system used at airports to detect and display the presence and position of aircraft in the ''terminal area'', the airspace around airports. It is the main air traffic control system for the airspace ...

Asr (radar) Asr ( Radar) is an Iranian passive electronically scanned array long-range radar unveiled in 2013. The Air Surveillance Radar or ASR is a 3-D solid state phased array radar, capable of detecting boats, low flying aircraft with a radar cross secti ...

, an Iranian radar system *

Arithmetic shift In computer programming, an arithmetic shift is a shift operator, sometimes termed a signed shift (though it is not restricted to signed operands). The two basic types are the arithmetic left shift and the arithmetic right shift. For binary ...

right, a computer instruction *

Answer-seizure ratio The answer-seizure ratio (ASR) is a measurement of network quality and call success rates in telecommunication. It is the percentage of answered telephone calls with respect to the total call volume.ITU SG2 Recommendation E.411: International networ ...

, the percentage of telephone calls that are answered *

Traction control system A traction control system (TCS), is typically (but not necessarily) a secondary function of the electronic stability control (ESC) on production motor vehicles, designed to prevent loss of traction (i.e., wheelspin) of the driven road wheels. TC ...

, from German ''Antriebsschlupfregelung'' (Acceleration Slip Regulation), system to prevent loss of traction on vehicles * Automatic Send Receive on a

teletype A teleprinter (teletypewriter, teletype or TTY) is an electromechanical device that can be used to send and receive typed messages through various communications channels, in both point-to-point and point-to-multipoint configurations. Init ...

* Teletype ASR 33, a specific model teletype, commonly used for early day minicomputers *

Architecturally Significant Requirements Architecturally significant requirements are those requirements that have a measurable effect on a computer system’s architecture. This can comprise both software and hardware requirements. They are a subset of requirements that affect a system ...

Software

Apple Software Restore Apple Software Restore or asr is a command line utility in Mac OS X used to apply a DMG disk image to a selected partition or mount point on a file system. It is often used for cloning large numbers of Macintosh computers. Apple Software Restore ...

, a command line utility in Mac OS X * Automated system recovery, a Microsoft Windows XP function

Transport

Air-sea rescue Air-sea rescue (ASR or A/SR, also known as sea-air rescue), and aeronautical and maritime search and rescue (AMSAR) by the ICAO and International Maritime Organization, IMO, is the coordinated search and rescue (SAR) of the survivors of emergenc ...

State Railway of Thailand ASR class The State Railway of Thailand ASR class is a diesel multiple unit operated by the State Railway of Thailand. Built by British Rail Engineering Limited at Derby Litchurch Lane Works in England, it is based on the British Rail Class 158. Twenty ca ...

* Australian Southern Railroad, a former rail freight operator

Other uses

* Asr, the daily afternoon prayer in Islam * Accelerated share repurchase, whereby companies buy back shares *

ASMR An autonomous sensory meridian response (ASMR)Marsden, Rhodri (20 July 2012), ''The Independent''. is a tingling sensation that usually begins on the scalp and moves down the back of the neck and upper spine. A pleasant form of paresthesia, it ...

(autonomous sensory meridian response), a tingling sensation {{disambiguation