juvenarium

== English == === Pronunciation === (Received Pronunciation) IPA(key): /ˌd͡ʒuːvəˈnɛəɹi.əm/ (General American) IPA(key): /ˌd͡ʒuvəˈnɛɹi.əm/ Rhymes: -ɛəɹiəm === Noun === juvenarium (plural juvenaria or juvenariums) A shell or portion thereof of a foraminifer in the youngest stage of shell-building.