colonoscopy
n.
by 1902 (earlier procto-colonoscopy, 1896; colonoscope attested from 1884), from colon, n.2 + -oscopy (see -scope).
| 词汇 | colonoscopy |
| 词根词缀 | Online Etymology Dictionary colonoscopy n. by 1902 (earlier procto-colonoscopy, 1896; colonoscope attested from 1884), from colon, n.2 + -oscopy (see -scope). |
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