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1. The innermost parts of a building, especially the sanctuary of a temple.
2. The most private or secret parts; recesses: the penetralia of the soul.

[Latin penetrālia, from neuter pl. of penetrālis, inner, from penetrāre, to penetrate; see penetrate.]


pl n
1. the innermost parts of a building
2. secret matters
[C17: from Latin, from penetrālis inner, from penetrāre to penetrate]
ˌpeneˈtralian adj


(ˌpɛn ɪˈtreɪ li ə)
1. the innermost parts or recesses.
2. the most private or secret things.
[1660–70; < Latin, n. use of neuter pl. of penetrālis inner =penetr(āre) to penetrate + -ālis -al1]


the innermost parts or deepest recesses of a place, thing, etc.
See also: Places
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.penetralia - the innermost parts
inside, interior - the region that is inside of something