something resembling a fact; unverified (often invented) information that is given credibility because it appeared in printa brief (usually one sentence and usually trivial) news item
英汉双解大词典
factoid/ˈfæktɔɪd/
1.
N（名词）
a piece of unreliable information believed to be true because of the way it is presented or repeated in print 令人信以为真的报导