asperity
[æ'spɛrətɪ]
n. 暴, 严酷, 糙

1. Most instrument ball bearing applications introduce a lubricating fluid to the contacts with the ideal goal of achieving complete surface asperity separation.
   绝数滚应流体润滑剂完隔暴接触（擦）想目标。
2. It is believed that the exposure of highly reactive surfaces during the wear process along with the high temperatures at asperity contacts act to" polymerize" the fluid, forming a viscous sludge, which inhibits bearing rotatio
   研究，温金属磨损程稠“聚合”质，形稠油泥，阻碍旋转。
3. Practical application of EHD theory involves the choice of Lubricating fluid properties( for example: viscosity at operating temperatures) and bearing internal design features consistent with the achievement of nearly complete asperi
   应EHD论括怎选择润滑油流体（：操温黏）完摩擦隔设。

asperity
[ noun ]

1. something hard to endure

<noun.attribute>
the asperity of northern winters

2. harshness of manner

<noun.attribute>

Asperity \As*per"i*ty\, n.; pl. {Asperities}. [L. asperitas, fr.
asper rough: cf. F. asp['e]rit['e].]
1. Roughness of surface; unevenness; -- opposed to
{smoothness}. ``The asperities of dry bodies.'' --Boyle.

2. Roughness or harshness of sound; that quality which grates
upon the ear; raucity.

3. Roughness to the taste; sourness; tartness.

4. Moral roughness; roughness of manner; severity;
crabbedness; harshness; -- opposed to {mildness}.
``Asperity of character.'' --Landor.

It is no very cynical asperity not to confess
obligations where no benefit has been received.
--Johnson.

5. Sharpness; disagreeableness; difficulty.

The acclivities and asperities of duty. --Barrow.

Syn: Acrimony; moroseness; crabbedness; harshness; sourness;
tartness. See {Acrimony}.