1. One skilled in arithmetic.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• arithmeticae,
• arithmetican,
• zrithmetician,
• srithmetician,
• writhmetician,
• qrithmetician,
• aeithmetician,
• adithmetician,
• afithmetician,
• atithmetician,
• a5ithmetician,
• a4ithmetician,
• arithmatician,
• arithmetisian,
• arithmaticion,
• arithmetecian,
• arithematician,
• arithmetition,
• arithmectician,
• arithmitician

• arithmetical,
• arithmetic mean,
• arrhythmia,
• arithmetic,
• arithmetically,
• arrhythmical,
• arrhythmic.

The adjective form of the word "arithmetician" is "arithmetical".

The plural of the "arithmetician" can be the "arithmeticians".

The singular of the "arithmetician" can be the "arithmetician".