What is another word for international prototype metre?
Pronunciation: [ˌɪntənˈaʃənə͡l pɹˈə͡ʊtə͡ʊtˌa͡ɪp mˈiːtə] (IPA) 
The international prototype metre, also known as the IPM, is a physical standard of measurement for length that is widely used around the world. However, there are many alternative names and synonyms for this important standard. Some people refer to it simply as the metre standard, while others use terms like the national prototype metre or the international standard metre. Additionally, the abbreviation IPM is sometimes expanded to include other terms like the international prototype meter or the international primary meter. Regardless of the terminology used, the international prototype metre remains a crucial benchmark for accurate measurements of length across a wide range of scientific and industrial applications.
