also Cassegrainian, in reference to a type of reflecting telescope, 1813, named for 17c. French priest and teacher Laurent Cassegrain, who described it in a journal article in 1672.
updated on October 10, 2017
英语词源词典收录了45867条英语词源词条，基本涵盖了全部常用英语词汇的起源、历史，是研究英语词汇或通过词源学英语的必备工具。