Final answer:
The 5-letter word that means 'less by the subtraction of' is deduct.
Step-by-step explanation:
The 5-letter word that means 'less by the subtraction of' is c. deduct. When you deduct something, you subtract or take away a certain amount. For example, if you have 10 apples and you deduct 3, you are left with 7 apples.
The word "deduct" is a 5-letter word that means to subtract or take away. Here's a brief elaboration on the options:
a. Minus: While "minus" is a synonym for subtract, it is not a 5-letter word.
b. Reduce: "Reduce" generally means to make something smaller in size, amount, or degree. It is not specifically associated with subtraction.
c. Deduct: "Deduct" specifically refers to subtracting or taking away an amount from a total. It is a precise term for the action of subtraction.
d. Shrink: "Shrink" means to become smaller in size, but it is not exclusively associated with subtraction. It can involve a reduction in size through various means.
In the context of the question, "deduct" is the most directly related term to the concept of subtracting or taking away, and it is also a 5-letter word.