penetralian
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penetralia — penetralian, adj. /pen i tray lee euh/, n.pl. 1. the innermost parts or recesses of a place or thing. 2. the most private or secret things. [1660 70; < L, n. use of neut. pl. of PENETRALIS inner, equiv. to penetr(are) to PENETRATE + alis AL1] * * … Universalium