元となった辞書の項目
刹那
noun
roughly 0.11 seconds, defined as 1/65ᵗʰ of a 弾指 (danshi), where a danshi is 1/12,000ᵗʰ of a day or 7.2 seconds / 0.002 seconds, defined as 1/60ᵗʰ of a 念 (nen), where a nen is 1/60ᵗʰ of a 弾指 (danshi)
意味（1）
roughly 0.11 seconds, defined as 1/65ᵗʰ of a 弾指 (danshi), where a danshi is 1/12,000ᵗʰ of a day or 7.2 seconds
意味（2）
0.002 seconds, defined as 1/60ᵗʰ of a 念 (nen), where a nen is 1/60ᵗʰ of a 弾指 (danshi)
意味（3）
(mathematics) by extension from the instant meaning, an extremely small number: 10⁻¹⁸, atto-
意味（4）
an instant, a moment
意味（5）
1/75ᵗʰ of a second, defined as 1/6,480,000ᵗʰ of a day
