Concentrate
Part of speech: noun
Definition: A substance that is in a condensed form.
Part of speech: verb
Definition: , To bring to, or direct toward, a common center; to unite more closely; to gather into one body, mass, or force. 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; -- opposed to dilute. To approach or meet in a common center; to consolidate. To focus one's thought or attention (on).
Example sentence: When you see a person, do you just concentrate on their looks? It's just a first impression. Then there's someone who doesn't catch your eye immediately, but you talk to them and they become the most beautiful thing in the world. The greatest actors aren't what you would call beautiful sex symbols.
Centralise
Part of speech: verb
Definition: To move materials or activities to a centre of storage or operation.