Fanac is a fan slang term (from fannish activities) for activities within the realm of science fiction fandom, and occasionally used in media fandom.Bloch, Robert.
fanac:
Blend of fan +? activity.
缩合词：fan + activity.
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。