littera[ˈlʲɪt̪ːɛrä] (教會拉丁語) 國際音標(幫助): /ˈlit.te.ra/, [ˈlit̪ːerä] littera f (屬格 litterae)；第一类变格 字母 (轉喻) 書寫 106 BCE – 43 BCE, Cicero, Epistulae ad Atticum 7.2: Tam
dioxydum carbonicumcarbōnicī)；第二类变格 (新拉丁語，化學) 二氧化碳 2015, Pope Franciscus, “Laudato si’. [1], Litterae Encyclicae, Vatican: Contaminatio quam dioxydum carbonicum facit oceanorum
televisio電視 （媒介） (新拉丁語) 電視機 1957, Pope Pius XII, Miranda Prorsus [1], Vatican (Litterae Encyclicae): Televisioni plura sunt; cum cinematographica arte communia
glacierglacieris)；第三类变格 (新拉丁語) 冰河，冰川 2015, Pope Franciscus, “Laudato si’. [1], Litterae Encyclicae, Vatican: Glacierum liquatio tam in polis quam in regionibus
artoartium studia or artes vigent (not florent) profound scientific education: litterae interiores et reconditae, artes reconditae the usual subjects taught to