科技英语词汇的历时意义与共时意义及演变方式

On Diachronic & Synchronic Meanings of EST Vocabulary and the Evolutionary Manners Thereof

语言是一个开放的系统,其中英语词汇变迁频繁,尤以意义变化为最。熟词生义是意义变化表现的主要方式,符合语言的经济原则。本文拟从语言的历时研究和共时研究来探讨科技英语EST词汇意义的演变,并引出EST词汇历时意义和共时意义概念。

Language is an open system. The changes in English words are frequent, among which the changes in meaning are the most frequent. The emergence of old words with new meanings, the major means of semantic changes, is in agreement with the economical principle of language. From the perspective of the diachronic and synchronic studies, this article is to analyze the evolutionary manners of the meanings of the EST words and introduce the concepts of the diachronic meaning and the synchronic meaning thereof.