- The definition of a centimeter is one hundredth of a meter (.3937 inches).
An example of a centimeter is approximately the width of an adult's smallest fingernail.
Origin of centimeterFrench centimètre: see centi- and amp; meter
- US spelling of centimetre.
centimeter - Computer Definition
A unit of measurement that is 1/100th of a meter or approximately 4/10ths of an inch (0.39 inch).