(mathematics, number theory) An infinite sequence of integers that comprises the denominators of the closest rational approximations to the square root of 2.

plural of Pell number

Alternative form of Pell's equation

plural of Pell equation

Synonym of Pell's equation

plural of Pell-Fermat equation

A small, compressed, hard chunk of matter. / A lead projectile used as ammunition in rifled air guns.

To form into pellets. / To strike with pellets.

(historical) An ancient city, capital of the ancient kingdom of Macedonia. / A regional unit of Greece in its periphery of Central Macedonia. / A town of Greece in Central Macedonia.

Allowing the passage of light; translucent or transparent. / Easily understood; clear. / Of music or some other sound: not discordant or harsh; clear and pure-sounding.