| 单词 | obturate |
| 释义 | obturate —obturation, n. —obturator, n. /ob"teuh rayt', -tyeuh-/, v.t., obturated, obturating. 1. to stop up; close. 2. Ordn. to close (a hole or cavity) so as to prevent a flow of gas through it, esp. the escape of explosive gas from a gun tube during firing. [1550-60; < L obturatus, ptp. of obturare to block, stop up] |
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