| 单词 |
annularity |
| 释义 |
annularity|ænjuːˈlærɪtɪ| [f. prec. + -ity.] Annular quality, condition or form.
1851–9Airy in Man. Sc. Enq. 3 The times of beginning and end of the annularity can be obtained accurately. 1869J. Rogers in Eng. Mech. 18 June 286/1 The nebula in Lyra, the annularity of which was very apparent. |

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