noun
smoothness
Smoothness (noun) means How smooth something is.
noun
1
How smooth something is.
"The admirable smoothness of the riding also reflected the greatest credit on those who, despite the difficulties caused by the shortage of men and materials, have succeeded in maintaining the track in such first-class order."
— , British Locomotive Practice and Performance (1946)
2
In mathematics, the greatest order of derivative a function has across a given domain, i.e. its differentiability class.
"Smoothness can vary from 0 (for a nondifferentiable function) to infinity (for a smooth function)."
3
(mathematics) A value found using the modulus of smoothness.
Vocabulary Flow
Build your vocabulary from words like smoothness.
Vocabulary Flow serves the next word, and the next — meaning, pronunciation and an example each time. Practice at your level, or learn English in your own language.
Start vocabulary practice
Etymology
Comes from Middle English smothenesse, equivalent to smooth plus -ness. Compare Old English smēþnes (“smoothness, a smooth place, a level surface”).
Synonyms
View more →Antonyms
Related words
Frequently asked questions
What is the meaning of smoothness?
"smoothness" (noun) means how smooth something is.
What is another word for smoothness?
Other words for "smoothness" include blandness, fluency, eloquence, suaveness, suavity.
What is the opposite of smoothness?
The opposite of "smoothness" is roughness.
What are the different meanings of smoothness?
"smoothness" has 3 main meanings: 1. How smooth something is; 2. In mathematics, the greatest order of derivative a function has across a given domain, i.e. its differentiability class; 3. (mathematics) A value found using the modulus of smoothness.