# Dictionary Definition

regularity

### Noun

1 a property of polygons: the property of having
equal sides and equal angles [syn: geometrical
regularity]

2 the quality of being characterized by a fixed
principle or rate; "he was famous for the regularity of his habits"
[ant: irregularity]

# User Contributed Dictionary

## English

### Pronunciation

- /ˌɹɛgjuˈlæɹəti/, /%rEgju"l

# Extensive Definition

The term regular can mean
normal or obeying rules. Regular may refer to:

In organizations:

- Regular Army for usage in the U.S. Army
- Regular Force for usage in the Canadian Forces
- Regular Masonic jurisdictions, or regularity, refers to the constitutional mechanism by which Freemasonry Grand Lodges or Grand Orients give one another mutual recognition.

In mathematics, geometry, and
statistics:

- Regular polygon, a polygon where all angles and all sides are equal
- Regular polyhedron, a 3-dimensional equivalent to a regular polygon
- Regular category, a kind of category that has similarities to both Abelian categories and to the category of sets
- Regular prime, a certain kind of prime number
- Regular graph, a graph such that all the degrees of the vertices are equal
- Regular cardinal, a cardinal number that is equal to its cofinality
- Regular space, a topological space in which a point and a closed set can be separated by neighbourhoods
- Regularity, the degree of differentiability of a Smooth function
- Regularity, a necessary condition in Fisher information and in finding the Cramer-Rao Lower Bound
- Axiom of Regularity, also called the Axiom of Foundation, an axiom of set theory asserting the non-existence of certain infinite chains of sets

In other uses:

- Regular character, a main character who appears more frequently and/or prominently than a recurring character
- Regular expression, a type of pattern describing a set of strings in computer science
- Regular verb, a grammatical term for a verb with derived forms that are typical for the language

## See also

regularity in French:
Régulier

regularity in Japanese:
レギュラー

# Synonyms, Antonyms and Related Words

arrangement, array, balance, bilateral symmetry,
cadence, ceaselessness, chattering, clockwork
regularity, concord,
conformity, congruity, consistency, constancy, constant flow,
continualness,
continuity, correspondence, daily
round, dependability, deployment, dingdong, disposal, disposition, downiness, drone, dynamic symmetry, equality, equilibrium, eurythmics, eurythmy, even pace, even
tenor, evenness,
finish, flatness, formation, frictionlessness,
glabriety, glabrousness, glossiness, greasiness, harmoniousness, harmony, health, incessancy, invariability, keeping, layout, levelness, lineup, lubricity, marshaling, monologue, monotone, monotonousness, monotony, multilateral
symmetry, naturalism,
naturalness,
naturism, noninterruption,
normalcy, normality, normalness, oiliness, order, orderliness, organization, oscillation, pace, parallelism, peace, perpetuity, polarity, predictability, proportion, proportionality,
propriety, pulsation, quick fire,
quiet, quietude, rapid fire, rapid
recurrence, rapid succession, rapidity, realism, reliability, repetition, rhythm, routine, sameliness, sameness, satininess, setup, shapeliness, silkiness, singsong, sleekness, slickness, slipperiness, smoothness, stability, staccato, steadiness, structure, stuttering, suavity, sustainment, symmetricalness,
symmetry, system, tattoo, tranquillity, treadmill, trilateral
symmetry, undeviation, undifferentiation,
uniformity, unintermission, uninterruption, unvariation, velvetiness, vibration, wholesomeness