单词 | microballoon |
释义 | microballoon/ˈmʌɪkrəʊbəˌluːn/noun 1A man-made hollow microsphere, usually of glass or synthetic resin, especially one of a kind used in bulk to provide insulation or buoyancy. 2 Medicine. A very small balloon catheter; the inflatable part of such a catheter. Origin1950s; earliest use found in The Official Gazette. From micro- + balloon. |
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