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单词 orbicule
释义

Definition of orbicule in English:

orbicule

noun ˈɔːbɪkjuːl

  • 1Geology. A spheroidal inclusion in an igneous rock; specifically an inclusion composed of a number of concentric layers. Compare earlier "orbicular".

  • 2Botany. Any of the small droplets of lipid found in tapetal cells of the anther of certain plants, which are released from the cells with a covering of sporopollenin.

Origin

1930s; earliest use found in Albert Johannsen (1871–1962). From orbicular: see -cule.

Definition of orbicule in US English:

orbicule

nounˈɔːbɪkjuːl

  • 1Geology. A spheroidal inclusion in an igneous rock; specifically an inclusion composed of a number of concentric layers. Compare earlier "orbicular".

  • 2Botany. Any of the small droplets of lipid found in tapetal cells of the anther of certain plants, which are released from the cells with a covering of sporopollenin.

Origin

1930s; earliest use found in Albert Johannsen (1871–1962). From orbicular: see -cule.
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更新时间：2024/12/25 14:45:08