English Dictionary

concentration

/ˌkɒnsənˈtɹeɪʃən/

noun

The direction of attention to a specific object. / The act, process or product of reducing the volume of a liquid, as by evaporation.

Her concentration was so intense that she didn't notice anything else around her.

意味（1）

The direction of attention to a specific object.

意味（2）

The act, process or product of reducing the volume of a liquid, as by evaporation.

意味（3）

The act or process of removing the dress of ore and of reducing the valuable part to smaller compass, as by currents of air or water.

意味（4）

A field or course of study on which one focuses, especially as a student in a college or university.

意味（5）

The proportion of a substance in a whole.

意味（6）

(chemistry) The amount of solute in a solution measured in suitable units (e.g., parts per million (ppm))

意味（7）

The matching game pelmanism.