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: I really concentrate on what's on my plate at the moment and do the very best I can.
Reduce
Part of speech: verb
Definition: To bring down the size, quantity, value or intensity of something; to diminish, to lower, to impair.To lose weight.To bring to an inferior rank; to degrade, to demote.To humble; to conquer; to subdue; to capture.To bring to an inferior state or condition.To decrease the liquid content of food by boiling much of its water off.To add electrons / hydrogen or to remove oxygen.To produce metal from ore by removing nonmetallic elements in a smelter.To simplify an equation or formula without changing its value.To convert to written form (Usage note: this verb almost always take the phrase "to writing").
Example sentence: Technology and robotics are advancing and will reduce the need for workers in the future.