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Smoothness - Wikipedia
SMOOTHNESS | English meaning - Cambridge Dictionary
Smooth Definition & Meaning - Merriam-Webster
SMOOTHNESS Synonyms: 50 Similar and Opposite Words - Merriam-Webster
smoothness noun - Definition, pictures, pronunciation and usage …
Smoothness - Definition, Meaning & Synonyms | Vocabulary.com
Smoothing - Wikipedia
Smooth Function -- from Wolfram MathWorld
SMOOTH Definition & Meaning | Dictionary.com