Last Updated：2025/11/29

An uncertainty of known magnitude, consequence, structure, and probability characteristics; something that we know that we don't know.

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known unknown

Source Word

known unknown

An uncertainty of known magnitude, consequence, structure, and probability characteristics; something that we know that we don't know.

Japanese Meaning

既知の未知 / 知っているが詳細が不明な事柄 / 認識されている不確実性

安全性レビューの際、チームは装置に残るばらつきを既知の不確実性として扱い、その大きさ、想定される影響、そして確率的な構造を記録した。

Sense（1）

An uncertainty of known magnitude, consequence, structure, and probability characteristics; something that we know that we don't know.

known unknowns

（ plural ）