black swan

英語（米国） (en-US) 英語（イギリス） (en-GB)

名詞

比喩的用法 未分類 限定用法

Cygnus atratus, an Australian swan whose feathers are black. / (figuratively) Something believed impossible or not to exist, of which an example is subsequently found.

日本語の意味

オーストラリア産の羽が黒い白鳥（Cygnus atratus）。 / 比喩として、存在しないと思われたが、後に実例が発見されるような、極めて稀な出来事や現象。

英語の意味

Cygnus atratus, an Australian swan whose feathers are black. / (figuratively) Something believed impossible or not to exist, of which an example is subsequently found.

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A solitary black swan glided across the lake at dawn, its crimson beak reflecting in the water.

朝、孤独なオーストラリア産の黒い羽を持つ白鳥が湖を滑るように進み、赤い嘴が水面に映っていた。

詳細

意味（1）

Cygnus atratus, an Australian swan whose feathers are black.

意味（2）

(figuratively) Something believed impossible or not to exist, of which an example is subsequently found.

意味（3）

(figuratively, also attributive) A rare and hard-to-predict event with major consequences.

In the face of black swans — also known as fat-tail events, for the way their occurrences are distributed along a probability curve — market pricing may be impossible.

詳細

black swans （ plural ）