A centenarian is a person who has attained the age of 100 years or more.
Much rarer, a supercentenarian is a person who has lived to the age of 110 or more.
Many notable and famous individuals have become centenarians. They include the following:
... will accelerate or brake the spinning gyroscope, with a maximum effect when the axis starts "rolling" inside the groove. (Compare with graphic below.) Since this friction ...