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单词 acritarch
释义

Definition of acritarch in English:

acritarch

noun ˈakrɪtɑːk

  • Any hollow unicellular organic microfossil which is not otherwise categorized or classified.

Origin

1960s. From ancient Greek ἄκριτος undistinguishable, doubtful + -arch.

Definition of acritarch in US English:

acritarch

nounˈakrɪtɑːk

  • Any hollow unicellular organic microfossil which is not otherwise categorized or classified.

Origin

1960s. From ancient Greek ἄκριτος undistinguishable, doubtful + -arch.
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更新时间：2025/6/19 16:22:25