English Dictionary

concentrator

名詞

One who concentrates. / (telecommunications) A hub. / (mining) An apparatus for the separation of dry comminuted ore, by exposing it to intermittent puffs of air.

日本語の意味

（一人が）集中する人、または中心に集まる人・もの / （通信分野で）複数の信号を集約するハブ装置 / （鉱業で）粉砕された鉱石を、間欠的な空気吹き付けにより分離する選鉱装置

The concentrator tuned out every distraction and finished the manuscript before midnight.

集中する人はあらゆる気を散らすものを振り切り、真夜中前に原稿を仕上げた。

意味（1）

One who concentrates.

Experienced classroom teachers are well acquainted with the attention-seeker, the shy girl, the aggressive boy, the poor concentrator, the slow student […]

意味（2）

(telecommunications) A hub.

意味（3）

(mining) An apparatus for the separation of dry comminuted ore, by exposing it to intermittent puffs of air.

意味（4）

(firearms) A frame or ring of wire or hard paper fitting into the cartridge case used in some shotguns, and holding the shot together when discharged, to secure close shooting; also, a device for slightly narrowing the bore at the muzzle for the same purpose.

concentrators （ plural ）