| 单词 | effusion |
| 释义 | effusion /i fyooh"zheuhn/, n. 1. the act of effusing or pouring forth. 2. something that is effused. 3. an unrestrained expression, as of feelings: poetic effusions. 4. Pathol. a. the escape of a fluid from its natural vessels into a body cavity. b. the fluid that escapes. 5. Physics. the flow of a gas through a small orifice at such density that the mean distance between the molecules is large compared with the diameter of the orifice. [1350-1400; ME ( < AF) < L effusion- (s. of effusio), equiv. to ef- EF- + fusion- FUSION] |
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