Dekametre, also spelled as decameter, is a unit of measurement used to represent 10 meters in the International System of Units (SI). However, there are other synonyms for this word that are used in different parts of the world. These include dekameter (American spelling), decameter (British spelling), and occasionally dekametres or decametres. In certain countries, this unit may also be referred to as a ten-meter or ten-metre line. Regardless of the terminology used, the concept remains the same - dekametre or any of its synonyms represent a distance of 10 meters, which can be used to measure various physical quantities such as length, width, and height.