Last Updated
：2026/01/04
刹那
Hiragana
せつな
Noun
Japanese Meaning
ある瞬間。きわめて短い時間。仏教で、時間を極度に短く分けた単位の一つ。 / 永遠に対する、一瞬のはかなさを強調していう語。
Easy Japanese Meaning
とてもみじかい じかんの こと。ほとんど すぐの あいだ。
Chinese (Simplified) Meaning
极短的时间；瞬间 / 佛教时间单位：一弹指的1/65（约0.11秒），或一念的1/60（约0.002秒）
Chinese (Traditional) Meaning
瞬間；極短的時間 / 佛教的時間單位，為彈指的六十五分之一，約0.1秒
Korean Meaning
아주 짧은 순간, 눈 깜짝할 사이 / 불교에서 말하는 극히 짧은 시간 단위 / 약 0.11초에 해당하는 매우 짧은 시간
Vietnamese Meaning
sát-na (đơn vị thời gian cực ngắn trong Phật học, khoảng 0,1 giây) / khoảnh khắc rất ngắn; tức thì
Tagalog Meaning
saglit / iglap / kisapmata
Sense（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
Sense（2）
0.002 seconds, defined as 1/60ᵗʰ of a 念 (nen), where a nen is 1/60ᵗʰ of a 弾指 (danshi)
Sense（3）
(mathematics) by extension from the instant meaning, an extremely small number: 10⁻¹⁸, atto-
Sense（4）
an instant, a moment
Sense（5）
1/75ᵗʰ of a second, defined as 1/6,480,000ᵗʰ of a day
（ canonical ）
（ romanization ）
（ hiragana ）
Quizzes for review
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)
See correct answer
刹那
See correct answer
His expression changed in an instant.
See correct answer
彼の表情が刹那的に変わった。
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