口腔英语构词法.ppt

Word Building
构词法
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Lexicology 词汇学
structure -- grammar
origin,development, & relationship to words in other languages --etymology
meanings and uses --semantics
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lexicology
Lexi(c)- a n. root, word or phrase
log- a v. root, to study
logy- study of word or phrase
Related words include:
lexicon / dyslexia
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Word element 词素
Word root(stem,base) 根,干
affix: suffix--word ending 后缀
prefix--word beginning bining vowel 连接元音
combining form 联合形
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atrophy a / troph / y
not nourish condition of
dystrophy dys / troph / y
poor
agranulocytosis
a / granul /o/cyt /o/ sis
without smallgrain cell abnormal condition
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Word root (tem, base)
log- a root to study
-y a suffix concept or action
-logy pound suffix study
(in treatment)
tom- a root to cut
-tomy pound suffix incision or cutting into
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Root-words
appendix 阑尾
uterus 子宫
sepsis 脓毒症,脓血病
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derived words
root + affix
(prefix or affix)
compound words
roots + (affixes)
(two or more) (with or without)
a/troph/y a/granul/o/cyt/o/sis
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orb- a Latin root
orbit n.
-al pertaining to
retro- behind
retro-orbital adj.
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en- prefix creates adj.
enforce v. (from a n.)
enlarge v. (from an adj.)
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