Such a point is called a point of inflection.
Such a point is called a fixed point of the function.
This point is called the heliopause, and it is where the sun's influence truly ends.
This point is called the focal point, or principal focus, of the lens (often depicted in ray diagrams as F).
If powerful governments can bend the commission to their will, its very point is called into question.
The virtual image of the aperture for lens I (as seen from the object point) is called the entrance pupil.
Once back on land, carrying your equipment back to your starting point is called "the walk of shame".
As freezing continues, the liquid composition changes until the minimum point is reached at I. This point is called the eutectic.
Some of the stations have more appealing names than "Britomart": one, just before the halfway point, is called simply "National Park".
The antiferromagnetic Curie point is called the Néel temperature in honour of the French physicist Louis Néel, who in 1936 successfully explained antiferromagnetism.
The number of symbols needed to reach this point is called the unicity distance and is only about 25 symbols, on average, for simple substitution ciphers.
