exact science

American  

noun

1. a science, as chemistry or physics, that deals with quantitatively measurable phenomena of the material universe.

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Etymology

Origin of exact science

First recorded in 1860–65

Example Sentences

While forecasting disease isn’t an exact science, there are some troubling signs.

From Los Angeles Times

"Other thefts are likely unreported and remain unknown as attributing cyber thefts to North Korea is not an exact science."

From BBC

The Northern Ireland Prison Service said about 4,000 people move through prisons each year, and "while every step is taken to mitigate risk, it is not an exact science and on occasion some prisoners will make poor decisions".

From BBC

And it’s not an exact science.”

From Los Angeles Times

By its very nature, labelling something the best, or worst, of anything that has a history of almost 150 years is not an exact science.

From BBC