accidentals >> /aksɪˈdɛnt(ə)l/
Definition: [noun] A sign indicating a momentary departure from the key signature by raising or lowering a note.
Example: horn parts are usually written without key signature, the necessary accidentals being added
Definition: [noun] another term for vagrant
Definition: [adjective] Happening by chance, unintentionally, or unexpectedly.
Example: a verdict of accidental death
Definition: [adjective] Incidental; subsidiary.
Example: the location is accidental and contributes nothing to the poem
Definition: [adjective] (in Aristotelian thought) relating to or denoting properties which are not essential to a thing's nature.
Example: It is customary, both in everyday speech and in philosophical discussion, to distinguish between the essential and the accidental properties of objects.