also I.C.B.M., 1955, initialism (acronym) for Inter-Continental Ballistic Missile. IBM in the same sense is from 1954.
updated on October 03, 2015
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。