meter (n.2)youdaoicibaDictYouDict[meter 词源字典]
also metre, unit of length, 1797, from French mètre (18c.), from Greek metron "measure," from PIE root *me- (2) "to measure" (cognates: Greek metra "lot, portion," Sanskrit mati "measures," matra "measure," Avestan, Old Persian ma-, Latin metri "to measure"). Developed by French Academy of Sciences for system of weights and measures based on a decimal system originated 1670 by French clergyman Gabriel Mouton. Originally intended to be one ten-millionth of the length of a quadrant of the meridian.[meter etymology, meter origin, 英语词源]
digital audioyoudaoicibaDictYouDict
"Audio data stored, processed, or transmitted digitally", 1960s; earliest use found in Proceedings of the National Academy of Sciences of the United States of America.
aerotolerantyoudaoicibaDictYouDict
"Of an anaerobic microorganism: not killed by oxygen; able to grow slowly in the presence of oxygen", 1970s; earliest use found in Proceedings of the National Academy of Sciences of the United States of America. From aero- + tolerant.