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Webster 1913 Edition

Concentration

Conˊcen-tra′tion

,
Noun.
[Cf. F.
concentration
.]
1.
The act or process of concentrating; the process of becoming concentrated, or the state of being concentrated; concentration.
Concentration
of the lunar beams.
Boyle.
Intense
concetration
of thought.
Sir J. Herschel.
2.
The act or process of reducing the volume of a liquid, as by evaporation.
The acid acquires a higher degree of
concentration
.
Knight.
3.
(Metal.)
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.

Webster 1828 Edition

Concentration

CONCENTRATION

,
Noun.
The act of concentrating; the act of bringing nearer together; collection into a central point; compression into a narrow space; the state of being brought to a point.
Note. The verb concentrate is sometimes accented on the first syllable. The reason is, with the primary accent on the first syllable, and a secondary accent on the third, the pronunciation of the participles, concentrating, concentrated, is much facilitated.

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