Verb

(concentrat)

(ambitransitive) To bring to, or direct toward, a common center; to unite more closely; to gather into one body, mass, or force.

to concentrate rays of light into a focus

to concentrate the attention

Let me concentrate !

To increase the strength and diminish the bulk of, as of a liquid or an ore; to intensify, by getting rid of useless material; to condense (qualifier, as opposed to 'dilute').

to concentrate acid by evaporation

to concentrate by washing

To approach or meet in a common center; to consolidate.

Population tends to concentrate in cities.

* {{quote-book, year=2006, author=

, title=Internal Combustion , chapter=2 citation , passage=Buried within the Mediterranean littoral are some seventy to ninety million tons of slag from ancient smelting, about a third of it concentrated in Iberia. This ceaseless industrial fueling caused the deforestation of an estimated fifty to seventy million acres of woodlands.}}

To focus one's thought or attention (on).

Verb

(mingl)

To mix; intermix; to combine or join, as an individual or part, with other parts, but commonly so as to be distinguishable in the product; to confuse; to confound.

* Bible, Exodus ix. 24

There was fire mingled with the hail.

Across the city yesterday, there was a feeling of bittersweet reunion as streams of humanity converged and mingled at dozens of memorial services. — New York Times

To associate or unite in society or by ties of relationship; to cause or allow to intermarry; to intermarry.

* Bible, Ezra ix. 2

The holy seed have mingled themselves with the people of those lands.

To deprive of purity by mixture; to contaminate.

* Henry Rogers

a mingled , imperfect virtue

(obsolete) To put together; to join.

(Shakespeare)

To make or prepare by mixing the ingredients of.

* (Nathaniel Hawthorne)

[He] proceeded to mingle another draught.

To become mixed or blended.