roughness

[US]/'rʌfnis/
[UK]/ˈr ʌfnɪs/
Frequency: Very High

Translation

n.coarseness, unevenness
rudeness, impoliteness
fierceness of a storm
fury of the wind and waves

Phrases & Collocations

surface roughness

roughness coefficient

roughness of surface

roughness length

Example Sentences

a tangible roughness of the skin.

a small roughness on the back of my hand

Roughness of the skin can be caused by bad diet.

Mares are surprisingly tolerant of the roughness and rudeness of their own offspring.

It is discovered that the scattering increases as the micro-roughness increases or autocovariance width decreases.

The microscale waveness is incorrelate with roughness in certain range but has a direct relationship with the profile fractal dimension distribution of machined surface.

By way of improving the superfinishing process,the appearance quality and surface roughness of steel balls,together with the productivity,were increased.

To make use of the model test method to study automobile rideability, the random excitation signal spectrum which is similar to that of typic-al roughness of road is needed.

A simplified model based on drag concepts is developed to evaluate the roughness coefficient for unsubmerged vegetation.

(2) all of biological characters, such as cormel's fresh weight, size, height, root length, roughness and root quantities, presented 1% significant difference.

The coatings composed by the chosen refractory is crackfree in high temperature.The castings using the coatings is free of surface defect and the surface roughness can reach 18 - S.

Some common troubles such as poor throwing power,burnt deposit on rim,dull gray coating,piebaldism,blue film,hazy deposit,spongy surface and roughness in decorative chromium plating were summarized.

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