Definition of per accidens in US English:

per accidens

adverb

  • 1By chance, by virtue of some incidental or non-essential circumstance; contingently, indirectly.

  • 2Logic. Of a conversion: by which the quantity of the proposition is changed from universal to particular. Frequently in "conversion per accidens" (also called conversion by limitation), opposed to "simple conversion".

Origin

Early 16th century; earliest use found in Thomas Paynell (d. ?1564), translator. From post-classical Latin per accidens from classical Latin per + accidēns, usually after ancient Greek κατὰ συμβεβηκός (Aristotle).

Pronunciation

per accidens

/pəːr ˈaksɪdɛnz/