Greek symbols are traditionally used as names in mathematics, physics and other sciences.

The rowan was a Celtic and Greek symbol of power over death.

With one of the blackened sticks he draws a figure eight on its side, which Jack recognizes as the Greek symbol for infinity.

Most hobbyist terminals did not display lower case letters much less Greek symbols.

He reached into a cape pocket and extracted a small rod, a ray-rod of pharmacy with a Greek symbol on it.

That Greek symbol was a summation sign.

It is given the Greek symbol.

It is usually indicated by the Greek symbol .

The intersection of two similar circles about an equilateral triangle became the Greek symbol for justice.

As e-mail doesn't deal well with Greek symbols, we will use "u" as the coefficient of static friction.