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accidental
adjective
- happening by chance; fortuitous
- belonging but not essential; attributive; incidental
- Music of an accidental
noun
- a nonessential quality or feature
- Music
- a sign, as a sharp, flat, or natural, placed before a note to show a change of pitch from that indicated by the key signature
- the tone indicated by such a sign
Related Forms:
- accidentally adverb
See accidental in American Heritage Dictionary 4
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