The exact sciences, sometimes called the exact mathematical sciences, are those sciences "which admit of absolute precision in their results"; especially the mathematical sciences. Examples of the exact sciences are mathematics, optics, astronomy, and physics, which many philosophers from Descartes, Leibniz, and Kant to the logical positivists took as paradigms of rational and objective knowledge.

If you say that a particular activity is not an exact science, you mean that there are no set rules to follow or it does not produce very accurate results.

Forecasting floods is not an exact science.

In mathematics, an exact category is a concept of category theory due to Daniel Quillen which is designed to encapsulate the properties of short exact sequences in abelian categories without requiring that morphisms actually possess kernels and cokernels, which is necessary for the usual definition of such a sequence.

Pronunciation examples for exact science

1. Well, it's not an exact science.

2. It's pretty much an exact science

3. This isn't an exact science, but it gets pretty accurate.

4. It's not an exact science or anything like that,

5. More from your way, you know, the exact science

Examples of use of exact science

1. Acoustics is a science, but, alas, not an exact science.

2. "It is an absolute nightmare because university entry is not an exact science.

3. Advertisement "This assessment is purely professional, in an area that is far from an exact science.

4. The experts know that measuring inflation is hardly an exact science.

5. I‘m not an expert on pendulums, I‘m just using them to make a point.) Physics is an exact science.