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2) Characteristics of compounds

(1)Phonetic feature

The word stress of a compound usually falls on the first element, while in a free phrase, the second element is usually stressed. If a compound has two stresses, it is the first element that receives the primary stress.

(2)Semantic feature

The meaning of a compound is a semantic unity, which,usually, is not the total sum of all the meanings of the constituent words in a compound.

(3) Grammatical feature

A compound usually plays a single grammatical role in a sentence.

3．Conversion

1) Definition

Conversion is the formation of new words by converting words of one part of speech to the words of another part of speech, without changes in morphological structures. Words created are new only in a grammatical sense.

2)Types of conversion

(1)Conversion to Nouns

a.verb to noun

b.adjective to noun

c. miscellaneous conversion

(2)Conversion to Verbs

a. noun to verb

b. adjective to verb

c. miscellaneous conversion

3)Semantic features of conversion

1)Verb to noun

The new words obtained through conversion are usually related to the original words in the following ways:

(1)state of mind or sensation

(2)event or activity

(3)result of the action

(4)doer of the action

(5)tool or instrument to do the action with

(6)place of the action

2)Noun to verb

(1)to put in or on N

(2)to give N or to provide with N

(3)to remove N from

(4)to do with N

(5)to be or act as n

(6)to make or change into N

(7)to send or go by N

4．Blending

1) Definition

Blending is the formation of new words by combining parts of two words or a word plus a part of another word

2)Categories of Blending

(1)the first part of the first word + the last part of the second word:botel: boat + hotel 汽艇游客旅馆

(2) the whole part of the first word + last part of the second word: lunarnaut: lunar + astronaut 登月宇航员

(3)the whole form of the second word + the first part of the first word: Eurasian: Europe + Asian 欧亚混血儿

(4)the first part of the first word + the first part of the second word: sitcom: situation + comedy 情景喜剧

5．Clipping

1) Definition

Clipping is to shorten a long word by cutting a part off the original and use what has remained as a word.

2) Types of Clipping

(1)Front clipping: "phone" from telephone

(2)Back clipping: "ad" from advertisement

(3)Front and back clipping: "flu" from influenza

(4)Phrase clipping: "pub" from public house

6．Acronymy

1) Definition

Acronymy is the process of forming new words by joining the initial letters of phrases.

2)Types of Acronymy

(1)Initialisms

Initialisms are words pronounced letter by letter:VOAfrom Voice of America

(2)Acronyms

Acronyms are words formed from initial letters but pronounced as a normal word.

7．Backformation

Back-formation is the opposite process of suffixation. It is the process of making a new word by dropping the supposed suffix: e.g. "burgle" from burglar.

8． New Words from Proper Names

1) Names of people

2)Names of places

3)Names of books

4)Tradenames

When proper nouns are commonized, many of them have lost their original identity;the initial letter many not be capitalized. They can be combined with other morphemes to form words of other word classes. The commonized proper nouns are rich in cultural associations. They are stylistically vivid, expressive and thought-provoking.

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