attoseconde

== Dutch == === Etymology === From atto- +‎ seconde. === Pronunciation === IPA(key): /ˈɑ.toː.səˌkɔn.də/ Hyphenation: at‧to‧se‧con‧de === Noun === attoseconde f (plural attoseconden or attosecondes, no diminutive) attosecond: 10-18 of a second == French == === Pronunciation === IPA(key): /a.tɔ.sə.ɡɔ̃d/