A9, A.9, A09, A 9 or A-9 may refer to

Science

ATC code A09 A09A Digestion, Digestives, including enzymes A09AA Enzyme preparations :A09AA01 Diastase :A09AA02 Multienzymes (lipase, protease, etc.) :A09AA03 Pepsin :A09AA04 Tilactase A09AB Acid preparations :A09AB01 Glutamic acid hydrochloride :A09AB02 Beta ...

''Digestives, including enzymes'', a subgroup of the Anatomical Therapeutic Chemical Classification System *

Biolimus A9 Umirolimus (INN/ USAN, also called Biolimus) is an immunosuppressant, a macrocyclic lactone, a highly lipophilic derivative of sirolimus. This drug is proprietary to Biosensors International, which uses it in its own drug-eluting stents, and li ...

, an immunosuppressant * British NVC community A9, the ''Potamogeton natans'' community, one of the aquatic communities of the British National Vegetation Classification * HLA-A9, a broad antigen serogroup of Human MHC HLA-A * Subfamily A9, a

Rhodopsin-like receptors Rhodopsin-like receptors are a protein family, family of proteins that comprise the largest group of G protein-coupled receptors. Scope G-protein-coupled receptors, GPCRs, constitute a vast protein family that encompasses a wide range of funct ...

subfamily

Technology

* A9home, a small form factor computer * A9.com, a website and search engine by Amazon.com *

Apple A9 The Apple A9 is a 64-bit ARM-based system-on-chip (SoC) designed by Apple Inc., part of the Apple silicon series. Manufactured for Apple by both TSMC and Samsung, it first appeared in the iPhone 6s and 6s Plus which were introduced on September ...

, a 64-bit system on a chip (SoC) designed by Apple Inc. * Hanlin eReader A9, an ebook reader

Aviation

* Breda A.9, a 1928 Italian biplane trainer aircraft * CallAir A-9 Quail, an agricultural aircraft * Georgian Airways's IATA code * Lockheed A-9, a ground attack aircraft based on the Lockheed YP-24 fighter prototype * Northrop YA-9, a ground-attack aircraft that competed with the Fairchild Republic A-10 Thunderbolt II

Military

* A9, a military staff designation in the

continental staff system A military staff or general staff (also referred to as army staff, navy staff, or air staff within the individual services) is a group of officers, enlisted, and civilian staff who serve the commander of a division or other large milita ...

* A 9, a Swedish artillery regiment * A9, a model of German Aggregate Series Rocket from World War II * Cruiser Mk I (A9), a British tank

Music

* A9 (band), a Japanese rock band originally named Alice Nine * A-9, a Gibson mandolin guitar model

Other uses

A9 (classification) A9 is an amputee sport classification used by the International Sports Organization for the Disabled (ISOD).for people with acquired or congenital amputations. People in this class have combination of amputations of the upper and lower extremiti ...

, an amputee sport classification * A9 road, in several countries, see

List of A9 roads This is a list of roads designated A9. * A009 road (Argentina), a road in the northeast of Santa Fe Province * ''A9 highway (Australia)'' may refer to : ** A9 (Sydney), a road linking Windsor and Campbelltown ** Port River Expressway, a limit ...

* A9, an international

ISO 216 ISO 216 is an international standard for paper sizes, used around the world except in North America and parts of Latin America. The standard defines the "A", "B" and "C" series of paper sizes, which includes the A4, the most commonly availabl ...

paper size standard (37×52 mm) *

A-9 Vigilance ''Dark Empire'' is a ''Star Wars'' comic book metaseries produced by Dark Horse Comics. It consists of a six-issue limited series written by Tom Veitch and drawn by Cam Kennedy, followed by a second six-issue limited series by Veitch and Kenned ...

, a fictional starfighter from the Star Wars universe *

Arrows A9 The Arrows A9 was a Formula One car which the Arrows team used to compete in the 1986 Formula One season. It was powered by the massively-powerful '' BMW M12/13'' turbocharged inline-four engine. Unlike the BMWs used by the Brabham and Benetto ...

, a 1986 British racing car * , a 1988 diving support vessel for the Royal New Zealand Navy * HMS ''A9'', an A-class submarine of the Royal Navy *

Réti Opening The Réti Opening is a hypermodern chess opening whose "traditional" or "classic method" begins with the moves: : 1. Nf3 d5 : 2. c4 White attacks Black's pawn from the , which may occasion 2...dxc4. White may couple this plan with a fian ...

or A09, a chess opening *

A9 TV A9 TV was a Turkish television station that started broadcasting on March 21, 2011 via Turksat satellite television channel broadcasting. Much of the programming includes religious and English language content, with an emphasis on creationism ov ...