English Dictionary

accidental

/ˌæk.sɪ.ˈdɛn.tl̩/

adj

Pertaining to accident and not essence; thus, inessential; incidental; secondary. / (philosophy) Nonessential to something's inherent nature (especially in Aristotelian thought).

He made an accidental mistake.

意味（1）

Pertaining to accident and not essence; thus, inessential; incidental; secondary.

意味（2）

(philosophy) Nonessential to something's inherent nature (especially in Aristotelian thought).

意味（3）

(music) Adjusted by one or two semitones, in temporary departure from the key signature.

意味（4）

Occurring sometimes, by chance; occasional.

意味（5）

Happening by chance, or unexpectedly; taking place not according to the usual course of things; by accident, unintentional.

The way to trueth is but one and simple, that of particular profit and benefit of affaires a man hath in charge, double, uneven and accidentall [translating fortuite].

意味（6）

(geometry) Being a double point with two distinct tangent planes in 4-dimensional projective space.