- astigmatism (n.)
[astigmatism 词源字典]
- 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.)).[astigmatism etymology, astigmatism origin, 英语词源]