Word
regularity
Phoneticsreg·u·lar·i·ty
US/ˌɹɛɡjəˈɫɛɹəti/
UK/ɹˌɛɡjuːlˈæɹɪti/
Definitions
01consistent timing
n. the fact that something happens at the same time or speed every time.
n. the quality of occurring at fixed, uniform intervals of time or space.
“He visits his grandmother with great regularity, going every Sunday morning.”
“The trains arrived with such impressive regularity that the local residents began to set their watches by the sound of the engines.”
Usage
Often used with the preposition 'with', as in 'with regularity'.
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02uniformity of shape or form
n. the quality of having a perfect or even shape or pattern.
n. the state of being symmetrical or following a consistent geometric or structural pattern.
“The architect admired the regularity of the columns along the front of the building.”
“The crystalline structure was defined by the perfect regularity of its molecular arrangement, which gave the gemstone its unique clarity.”
Formal
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03mathematical smoothness
n. a technical term for how smooth or predictable a mathematical solution is.
n. the degree of differentiability or integrability of a function or a solution to a differential equation.
“The professor explained the regularity of the wave equation during the lecture.”
“Proving the regularity of weak solutions remains a fundamental challenge in the study of non-linear partial differential equations.”
Technical
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Real-World Examples
“Helicopter crashes have happened with increasing regularity in Kenya, which has a thriving tourism industry that depends on domestic carriers to ferry visitors to distant places like Mount Ololokwe.” Etymology
Borrowed from Middle French regularite, from Old French regularite, from Late Latin rēgulāritās, rēgulāritātem, from rēgulāris; see regular. By surface analysis, regular + -ity.
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.
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englishreference.com/q/regularity