compaction

英

美

n. 压（夯，击）实；压缩（制；紧，力）; （加）压（模）塑；团压坯（块）；烧结块；成型; 密封；填料

BNC.29017 / COCA.29244

柯林斯词典

The adjective and verb are pronounced /kəm'pækt/. The noun is pronounced /'kɒmpækt/. 形容词和动词读作 /kəm'pækt/，名词读作 /'kɒmpækt/。

ADJ-GRADED 小而紧凑的
Compactthings are small or take up very little space. You use this word when you think this is a good quality.
1. ...my compact office in Washington.
  我在华盛顿小而紧凑的办公室
2. ...the new, more compact Czech government.
  更为精简的新捷克政府
ADJ-GRADED 矮小结实的;矮壮的
Acompactperson is small but strong.
1. He was compact, probably no taller than me...
  他矮小壮实，可能并不比我高。
2. He looked physically very powerful, athletic in a compact way.
  他看上去非常强壮，像个敦实的运动员。
小巧的;袖珍的
Acompactcassette, camera, or car is a small type of cassette, camera, or car.
VERB 把…压实(或压紧)
Tocompactsomething means to press it so that it becomes more solid.
1. The Smith boy was compacting the trash...
  史密斯家的男孩在把垃圾压紧。
2. The soil settles and is compacted by the winter rain.
  土壤沉积下来，然后在冬雨的作用下变得坚实。
(内有镜子的)化妆粉盒
Acompactis a small, flat case that contains face powder and a mirror.

noun

the act of crushing
Synonym:crushcrunch
an increase in the density of something
Synonym:compressionconcretiondensification