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Learn about the metre, the base unit of length in the SI system, defined by the speed of light in vacuum. Discover its origin, evolution and variations in different languages and countries.
Learn how to spell and use meter and metre, two forms of the same word that refer to a unit of length in the metric system. Meter is preferred in American English, while metre is used in British English and other varieties.
Metre (m), in measurement, fundamental unit of length in the metric system and in the International Systems of Units (SI). It is equal to approximately 39.37 inches in the British Imperial and United States Customary systems. The metre was historically defined by the French Academy of Sciences in
METRE definition: 1. a unit of measurement equal to 100 centimetres: 2. the regular arrangement of syllables in…. Learn more.
Learn the definition, symbol and examples of metre, the basic unit of length in the Metric System. See how metre is related to the speed of light and other units of measurement.
Learn the meaning, pronunciation and usage of metre, a unit for measuring length and a poetic rhythm. Find out the difference between metre and meter, and see examples and synonyms.
Learn the meanings and usage of the word metre in different languages and contexts. Metre can be a unit of length, a verb, a noun, or a musical term.
Learn what is a metre, the SI unit of length, and how to measure it using different methods and devices. Find out the history, origin and applications of the metre scale and the metre gauge.
Learn the meaning and pronunciation of metre, a metric unit of length and a poetic term for rhythm. Find out how to use metre in sentences and compare it with meter in American English.
Learn about the metre, the metric and SI base unit of distance, and how it is defined by the speed of light in a vacuum. Find out the history, spelling, and conversion of the metre.