| 单词 | lacuna |
| 释义 | lacuna /leuh kyooh"neuh/, n. , pl. lacunae /-nee/, lacunas. 1. a gap or missing part, as in a manuscript, series, or logical argument; hiatus. 2. Anat. one of the numerous minute cavities in the substance of bone, supposed to contain nucleate cells. 3. Bot. an air space in the cellular tissue of plants. [1655-65; < L lacuna ditch, pit, hole, gap, deficiency, akin to lacus vat, LAKE1. Cf. LAGOON] |
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