单词 | penetration |
释义 | penetration /pen'i tray"sheuhn/, n. 1. the act or power of penetrating. 2. mental acuteness, discernment, or insight: a scholar of rare penetration. 3. the obtaining of a share of a market for some commodity or service. 4. the extension, usually peaceful, of the influence of one nation or culture into the affairs of another. 5. a military attack that penetrates into enemy territory. 6. Gunnery. the depth to which a projectile goes into the target. 7. the measure of relative depth of field of a telescope or microscope, esp. a binocular microscope. [1595-1605; < LL penetration- (s. of penetratio). See PENETRATE, -ION] Syn. 2. understanding, perception, discrimination, depth, profundity. |
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