An abbreviation for cubic centimeter, a unit of volume measurement equal to one milliliter. Commonly used in medical contexts and engine displacement measurements.
Abbreviation of cubic centimeter, from Latin cubicus meaning 'cube-shaped' and centimeter from French centimètre, combining centi- (one hundredth) and Greek metron (measure). The term emerged in the late 19th century with the adoption of the metric system.
In medical settings, ccm and mL are used interchangeably, but ccm is often preferred for injection dosages to avoid confusion with milligrams. Interestingly, motorcycle enthusiasts still commonly use ccm for engine displacement even in countries that have largely adopted metric terminology.
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