The state or quality of being concentrative.

The state or quality of being concentric.

Not dilute; having a high concentration. / Intense; directed towards a specific location.

simple past tense and past participle of concentrate

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

(geometry) Having a common center.

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

A substance that is in a condensed form.

(British spelling, archaic, intransitive) To come together at a common centre. / (British spelling, archaic, intransitive) To coincide.

Characterised by concentration.