Flutter may refer to:

Technology

Aeroelastic flutter Aeroelasticity is the branch of physics and engineering studying the interactions between the inertial, elastic, and aerodynamic forces occurring while an elastic body is exposed to a fluid flow. The study of aeroelasticity may be broadly classif ...

, a rapid self-feeding motion, potentially destructive, that is excited by aerodynamic forces in aircraft and bridges *

Flutter (American company) Flutter is a gesture recognition technology startup based in San Francisco, California, United States. Founded by Navneet Dalal and Mehul Nariyawala, the company received early-stage funding from Y Combinator and was acquired by Google ...

, a gesture recognition technology company acquired by Google in 2013 *

Flutter (electronics and communication) In electronics and communication, flutter is the rapid variation of signal parameters, such as amplitude, phase, and frequency. Examples of electronic flutter are: *Rapid variations in received signal levels, such as variations that may be cause ...

, any rapid variation of signal parameters *

Flutter (software) Flutter is an open-source UI software development kit created by Google. It is used to develop cross-platform applications for Android, iOS, Linux, macOS, Windows, Google Fuchsia, and the web from a single codebase. First described in 2015, ...

, a mobile application SDK and framework

Medicine

* "Heart flutter", an abnormally

rapid heartbeat Tachycardia, also called tachyarrhythmia, is a heart rate that exceeds the normal resting rate. In general, a resting heart rate over 100 beats per minute is accepted as tachycardia in adults. Heart rates above the resting rate may be normal (su ...

: **

Atrial flutter Atrial flutter (AFL) is a common abnormal heart rhythm that starts in the atrial chambers of the heart. When it first occurs, it is usually associated with a fast heart rate and is classified as a type of supraventricular tachycardia. Atrial f ...

, a common abnormal heart rhythm **

Ventricular flutter Ventricular flutter is an arrhythmia, more specifically a tachycardia affecting the ventricles with a rate over 250-350 beats/min, and one of the most indiscernible. It is characterized on the ECG by a sinusoidal waveform without clear definition ...

, a tachycardia affecting the ventricles with a rate over 250-350 beats/min *

Flutter valve A flutter valve (also known as the Heimlich valve after its inventor, Henry Heimlich) is a Check_valve, one-way valve used in respiratory medicine to prevent air from travelling back along a chest tube. One can also use a Chest_drainage_managemen ...

, a one-way valve used in respiratory medicine to prevent air from travelling back along a chest tube

Arts and entertainment

* ''Flutter'' (comics), a comic series

Music

Flutter-tonguing Flutter-tonguing is a wind instrument tonguing technique in which performers flutter their tongue to make a characteristic "FrrrrrFrrrrr" sound. The effect varies according to the instrument and at what volume it is played, ranging from cooing soun ...

, a technique for playing wind instruments * ''Flutter'', a 2001 album and a composition by

Otomo Yoshihide is a Japanese composer and multi-instrumentalist. He mainly plays guitar, turntables, and electronics. He first came to international prominence in the 1990s as the leader of the experimental rock group Ground Zero, and has since worked in ...

's New Jazz Quintet * "Flutter", a song by Bonobo from his 2003 album '' Dial 'M' for Monkey'' * "Flutter", a song by Autechre from the 1994 EP ''

Anti EP ''Anti EP'' is the second EP by British electronic music duo Autechre, released by Warp on 3 September 1994. It peaked at number 90 on the UK Singles Chart, as well as number 39 on the UK Dance Singles Chart. It is the only explicitly political r ...

Film

* ''Flutter'' (2006 film), 2006 animated short by Howie Shia * ''Flutter'' (2011 film), 2011 film directed by Giles Borg

Other uses

Fluttershy The ''My Little Pony'' franchise debuted in 1982, as the creation of American illustrator and designer Bonnie Zacherle. Together with sculptor Charles Muenchinger and manager Steve D'Aguanno, Zacherle submitted a design patent in August 1981 fo ...

, a My Little Pony character *

Flutter Entertainment Flutter Entertainment plc (formerly Paddy Power Betfair plc) is an Irish gambling holding company created by the merger of Paddy Power and Betfair, and the later acquisition of The Stars Group. It is listed on the London Stock Exchange, and is a ...

, an Irish-headquartered betting company * Flutter, a colloquial term for a small bet or wager in

gambling Gambling (also known as betting or gaming) is the wagering of something of value ("the stakes") on a random event with the intent of winning something else of value, where instances of strategy are discounted. Gambling thus requires three el ...

Flutter kick The flutter kick is a kicking movement used in both swimming and calisthenics. Swimming In swimming strokes such as the front crawl or backstroke, the primary purpose of the flutter kick is not propulsion but keeping the legs up and in the shad ...