ASR may refer to:

Military

* Hull classification symbol for

submarine rescue ship A submarine rescue ship is a surface support ship for submarine rescue and deep-sea salvage operations. Methods employed include the McCann Rescue Chamber, deep-submergence rescue vehicles (DSRV's) and diving operations. List of active subm ...

in some navies * 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. History Effective 1 Au ...

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 Financial crisis o ...

, 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 Gro ...

Erkilet International Airport Erkilet International Airport or Kayseri Erkilet Airport ( tr, Kayseri Erkilet Havalimanı, ) 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 ...

, Turkey, IATA code

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 mu ...

, to infer ancient DNA sequences * Acute stress reaction to traumatic event * Adult sex ratio of males to females *

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

, 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. m ...

, 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 with the m ...

Automotive shredder residue The shredding of automobiles and major household appliances is a process where a hammermill acts as a giant tree chipper by grinding the materials fed into it to fist-size pieces. The shredding of automobiles results in a mixture of ferrous metal ...

, 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 *

Asr (radar) Asr ( fa, رادار عصر 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 wi ...

, 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 the percentage of telephone calls which are answered, a measure of network qualityITU SG2 Recommendation E.411: International network management - Operational guidance. and call success rates in telecommunications. ...

, the percentage of telephone calls that are answered *

Traction control system A traction control system (TCS), also known as ASR (from german: Antriebsschlupfregelung, lit=drive slippage regulation), is typically (but not necessarily) a secondary function of the electronic stability control (ESC) on production motor vehicle ...

, 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. Initia ...

Teletype ASR 33 The Teletype Model 33 is an electromechanical teleprinter designed for light-duty office use. It is less rugged and cost less than earlier Teletype machines. The Teletype Corporation introduced the Model 33 as a commercial product in 1963 after ...

, a specific model teletype, commonly used for early day minicomputers * Architecturally Significant Requirements

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 c ...

, 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

Other uses

Asr The Asr prayer ( ar, صلاة العصر ', "afternoon prayer") is one of the five mandatory salah (Islamic prayer). As an Islamic day starts at sunset, the Asr prayer is technically the fifth prayer of the day. If counted from midnight, it is ...

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