Approximation , Rounding.
an estimation or an estimate
It is our estimation that it will take an hour to pump the water out of the basement.
In my estimation, the winter fund raiser was a success. According to the contractor's estimation, the house will be finished by next week.
Estimation
estimation
No, but Floccinaucinihilipilification is a word. It means the estimation of something as valueless.
The suffix for estimate is "-ation." In linguistics, a suffix is an affix which is placed after the stem of a word. In this case, adding "-ation" to the word "estimate" changes it to "estimation," which refers to the act or process of making an estimate.
Aloha: I don't know what this word is, but there is a HI'ian word -koho- which is a guess, estimation, election, etc.
It means to guess at something. An imprecise amount or measurement.
Yes. True
Yes. True
Yes. True