完全版英语词汇学名词解释.docx

第一章 word 1.Word --- A word is a minimal free form of a language that has a given sound and meaning and syntactic funtion.  第三章 formation 1 1. Morpheme --- A morpheme is the smallest functioning unit in the composition of words. 2. Allomorph --- Some morphemes are realized by more than one morph according to their position in a word. Such alternative morphs are know as allomorphs.3. Free morphemes (Free root) --- They are morphemes which are independent of other morphemes. 4. Bound Morphemes --- They are morphemes which cannot occur as separate words. 5. Bound root --- A bound root is that part of the word that carries the fundamental meaning just like a free root. Unlike a free root, it is a bound form and has to combine with other morphemes to make words. 6. Affixes --- Affixes are forms that are attached to words or word elements to modify meaning or function. 7. Inflectional affixes --- Affixes attaches to the end of words to indicate grammatical relationships are known as inflectional morphemes. 8. Derivational affixes --- Derivational affixes are affixes added to other morphemes to create new words. 9. Prefixes --- Prefixes are affixes that come before the word. 10. Suffixes --- suffixes are affixes that come after the word. 11. Root --- A root is the basic form of a word which cannot be further analysed without total loss of identity. 12. Stem --- a stem can be defined as a form to which affixes of any kind can be added. 第四章 formation 21. Affixation --- affixation is generally defined as the formation of words by adding word-forming or derivational affixes to stems.2. Prefixation --- is the formation of new words by adding prefixes to stems. Suffixation--- is the formation of new words by adding suffixes to stems. 3. Compounding（Compositon）-- is the formation of new words by joining two or more stems.4. Conversion-- is the formation of new words by converting words of one class to another class. 5. Blending-- is the formation of new words by combine