Occasionally, the "k" is shown in upper case, as in "100 Kyr"; this is an incorrect usage. "kyr" itself is often considered incorrect, with some preferring to use "ky".
ISO 80000-3 recommends usage of ka (for kiloannum), which avoids the implicit English bias of "year" by using a Latin root.
abbreviation, means, thousand, years, formerly, common, some, english, language, works, especially, geology, astronomy, unit, years, millennium, unit, prefix, kilo, thousand, with, suffix, simply, abbreviation, year, occasionally, shown, upper, case, this, inc. The abbreviation kyr means thousand years kyr was formerly common in some English language works especially in geology and astronomy for the unit of 1 000 years or millennium The k is the unit prefix for kilo or thousand with the suffix yr simply an abbreviation for year Occasionally the k is shown in upper case as in 100 Kyr this is an incorrect usage kyr itself is often considered incorrect with some preferring to use ky ISO 80000 3 recommends usage of ka for kiloannum which avoids the implicit English bias of year by using a Latin root See also editAnnum Myr ByrExternal links editA exhaustive table of 70 ways of expressing thousand years ago in scientific papers 2023 with links to papers and appraisals How Many A Dictionary of Units of Measurement A Dead link How Many A Dictionary of Units of Measurement K How Many A Dictionary of Units of Measurement Y Dead link Encyclopedia pub user generated collection kyr Portals nbsp Geology nbsp Mathematics nbsp Astronomy nbsp Stars nbsp Outer space nbsp Science nbsp This standards or measurement related article is a stub You can help Wikipedia by expanding it vte nbsp This time related article is a stub You can help Wikipedia by expanding it vte Retrieved from https en wikipedia org w index php title Kyr amp oldid 1148372992, wikipedia, wiki, book, books, library,
