Irregular, irregulars or irregularity may refer to any of the following:
Astronomy
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Irregular galaxy
An irregular galaxy is a galaxy that does not have a distinct regular shape, unlike a spiral or an elliptical galaxy. Irregular galaxies do not fall into any of the regular classes of the Hubble sequence, and they are often chaotic in appearan ...
*
Irregular moon
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Irregular variable, a kind of star
Language
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Irregular inflection, the formation of derived forms such as plurals in unpredictable ways
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Irregular verb
A regular verb is any verb whose conjugation follows the typical pattern, or one of the typical patterns, of the language to which it belongs. A verb whose conjugation follows a different pattern is called an irregular verb. This is one instance ...
Law
* Against
regulation
Regulation is the management of complex systems according to a set of rules and trends. In systems theory, these types of rules exist in various fields of biology and society, but the term has slightly different meanings according to context. Fo ...
s
* In canon law, an
irregularity is an impediment for the Catholic priesthood or for exercising orders already received
Mathematics
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Irregularity of a surface
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Irregularity of distributions
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Irregularity index
Medicine
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Irregular bone
The irregular bones are bones which, from their peculiar form, cannot be grouped as long, short, flat or sesamoid bones. Irregular bones serve various purposes in the body, such as protection of nervous tissue (such as the vertebrae protect the ...
*
Arrhythmia
Arrhythmias, also known as cardiac arrhythmias, are irregularities in the cardiac cycle, heartbeat, including when it is too fast or too slow. Essentially, this is anything but normal sinus rhythm. A resting heart rate that is too fast – ab ...
, also known as an irregular heartbeat
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Constipation
Constipation is a bowel dysfunction that makes bowel movements infrequent or hard to pass. The Human feces, stool is often hard and dry. Other symptoms may include abdominal pain, bloating, and feeling as if one has not completely passed the ...
, also called "irregularity"
Other
* ''
The Irregulars'', a 2021 Netflix series
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Accounting irregularity
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Irregular military
Irregular military is any military component distinct from a country's regular armed forces, representing non-standard militant elements outside of conventional governmental backing. Irregular elements can consist of militias, private armie ...
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Irregular chess opening
In chess, an irregular opening is an opening considered unusual or unorthodox. In the early 19th century the term was used for any opening not beginning with 1.e4 e5 (the Open Game) or 1.d4 d5 (the Closed Game). As opening theory has developed ...
See also
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Anomaly (disambiguation)
Anomaly or The Anomaly may refer to:
Science Natural
*Anomaly (natural sciences)
** Atmospheric anomaly
** Geophysical anomaly
Medical
* Congenital anomaly (birth defect), a disorder present at birth
** Physical anomaly, a deformation of an ana ...
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Baker Street Irregulars
The Baker Street Irregulars are fictional characters who appear in three Sherlock Holmes stories, specifically two novels and one short story, by Arthur Conan Doyle. They are street boys who are employed by Holmes as intelligence agents. The na ...
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Regular (disambiguation)
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