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HONE IN ON - to find and go directly toward (someone or something); give all your attention to something

The word for this was explodere or explaudere, from the prefix ex-, meaning ''out, away,'' and plaudere. From this word we get our English word explode. At first, explode meant ''to drive from the stage by a noisy expression of dislike,'' but this sense has all but disappeared.

CALCULATION is the process of performing mathematical computations using known quantities. It is what calculators do. The CALCULUS are special analytical methods of symbolic mathematics, developed primarily by Newton and Leibniz, to determine the solutions to many kinds of computational problems.

AFFORESTATION - is the establishment of a forest or stand of trees in an area where there was no previous tree cover. Many government and non-governmental organizations directly engage in afforestation programs to create forests and increase carbon capture.

PRIDE OF LIONS - prides are family units that may comprise anywhere from two to 40 lions. The average pride consists of around 15 lions, including several adult females and up to four males and their cubs of both sexes.

PRE-EMPTIVE came form the word preempt which means forestall something or prevent the attack by the possible enemy.

The word Hance and Hence has no connection or similarities with each other. Hance means a human him o fleshly hindquarter on an animal while the word Hence is an adjective that means "as a consequence" and "for this reason".