astigmatism
n.
1849, coined by the Rev. William Whewell (1794-1866), English polymath, from Greek a- "without" (see a-(3)) + stigmatos genitive of stigma "a mark, spot, puncture" (see stick, v.).
| 词汇 | astigmatism |
| 词根词缀 | Online Etymology Dictionary astigmatism n. 1849, coined by the Rev. William Whewell (1794-1866), English polymath, from Greek a- "without" (see a-(3)) + stigmatos genitive of stigma "a mark, spot, puncture" (see stick, v.). |
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