A neologism is a newly coined word or expression that has not yet been widely accepted into the lexicon of a language.
新词是一个新创造的词或表达,尚未被广泛接受为一种语言的词汇。
Neologisms often emerge to describe new concepts, trends, or phenomena in society.
新词经常出现来描述社会中的新概念、趋势或现象。