The term lexicology contains two Greek morphemes: lexikon and logie. The former means \word, the latter means“learningor“the study of

a. Extension of meaning b. Restriction of meaning c. Degeneration of meaning d. Elevation of meaning

Restriction of Meaning Restriction of meaning means that a word of wide meaning acquires a narrower, specialised sense which is applicable to only one of the objects it had previously denoted

国家开放大学：2008—2009学年第二学期“开放本科”英语专业语言与应用语言学期末试题（7月）

（1) A word once reserved for female persons in high places is generalised to refer to people of all levels in a society:

THE MOTIVES FOR EUPHEMIZING The motives for generating euphemisms are as diverse and as universal as the range of human emotions

1.Types of dictionaries Monolingual dictionaries vs.bilingual dictionaries Monolingual dictionaries are written in one language, while bilingual dictionaries are written in two languages

Compounding is a process of word formation by which two independent words are put together to make one word. The word formed in this way is c a lled co mpo und

Blending is a process of word formation by which word is created by combinin ag parts of other words. Words formed in this way are called blends. From morphological viewpoints, there are four types of blending:

Conversion Conversion is main type of word- formation assigning the base to a different word class with no change of form. For example, the verb release is converted to the noun release