Kalmar "Age Azurfa" tana iya samun ma'anoni daban-daban dangane da mahallin, amma ga wasu ma'anoni kaɗan masu yiwuwa: Lokaci a cikin tarihin adabin Girkanci na gargajiya, roughly wanda ya tashi daga karni na 5 KZ zuwa karni na 3 KZ, wanda aka sani da manyan mawaka da mawakan wasan kwaikwayo irin su Sophocles, Euripides, da Aristophanes. wanda ya tashi daga ƙarshen 1950s zuwa farkon 1970s, wanda aka sani don haɓakawa da sabuntar manyan jarumai da yawa, gami da Flash, Green Lantern, da Spider-Man. Kalma. ana amfani da shi a ilmin taurari don kwatanta lokacin juyin halittar taurari a lokacin da tauraro ke tsakiyar matakin rayuwarsa, bayan ya wuce matakin protostar amma kafin ya zama jajayen kato. Wannan kuma ana kiransa da matakin “tsakanin taro”. tsakiyar karni na 20, wanda aka sani don amfani da azurfa mai inganci a cikin tsabar kudi da yawa da kuma haɓaka sabbin fasahohin ƙirƙira.