simple past tense and past participle of concentrate

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

Third-person singular simple present indicative form of concentre

plural of concentration

present participle of concentrate

plural of concentrate

Third-person singular simple present indicative form of concentrate

The state or quality of being concentrative.

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

plural of concentrator