Last Updated：2025/11/20

Dictionary quizzes to help you remember the meaning

Dictionary quizzes to help you remember the meaning

erratic

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Source Word

erratic

IPA(Pronunciation)

Noun

(geology) A rock moved from one location to another, usually by a glacier. / Anything that has erratic characteristics.

Japanese Meaning

地質学において、氷河により本来の位置から運ばれた岩石を指す。 / 不規則な性質を持つ物、あるいは性質を持つもの全般を指す。

What is this buttons?

Geologists examined the erratic to determine which glacier had transported it.

Google Translation / DeepL Translation

地質学者たちは、それを運んだ氷河の流れを特定するために、氷河によって運ばれた岩を詳しく調べた。

Sense（1）

(geology) A rock moved from one location to another, usually by a glacier.

The term for a displaced boulder is an erratic, but in the nineteenth century the expression seemed to apply more often to the theories than to the rocks.

Google Translation / DeepL Translation

Sense（2）

Anything that has erratic characteristics.

erratics

（ plural ）

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