Centre
Part of speech: verb
Definition: To cause (an object) to occupy the centre of an area. To cause (some attribute, such as a mood or voltage) to be adjusted to a value which is midway between the extremes. To concentrate on (something), to pay close attention to (something).
Part of speech: noun
Definition: The point on a line that is midway between the ends. The point in the interior of a circle that is equidistant from all points on the circumference of the circle. The point in the interior of a sphere that is equidistant from all points on the surface of the sphere. The point in the interior of any figure of any number of dimensions that has as its coordinates the arithmetic mean of the coordinates of all points on the perimeter of the figure (or all points within the figure for a centre of volume). A place where some function or activity occurs. A topic that is particularly important in a given context. The player, generally the tallest, who plays closest to the basket. A player who can go all over the court, except the shooting circles. The forward that generally plays between the left wing and right wing and usually takes the faceoffs. The person who holds the ball at the beginning of each play.
Example sentence: Home is the dearest spot on earth, and it should be the centre, but not the boundary, of the affections.
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: To establish true self-esteem we must concentrate on our successes and forget about the failures and the negatives in our lives.