Learn how to say Accidental correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word accidental:
1happening by chance, unintentionally, or unexpectedly:
a verdict of accidental death
the damage might have been accidental
the location is accidental and contributes nothing to the poem
3 Philosophy (in Aristotelian thought) relating to or denoting properties which are not essential to a thing’s nature.
1 Music a sign indicating a momentary departure from the key signature by raising or lowering a note:
horn parts are usually written without key signature, the necessary accidentals being added
2 Ornithologyanother term for vagrant.
late Middle English (in accidental (sense 2 of the adjective) and accidental (sense 3 of the adjective)): from late Latin accidentalis, from Latin accident- ‘happening’ (see accident)