口腔英语构词法.pptxVIP

口腔英语构词法第1页/共60页 2Lexicology 词 汇 学structure -- grammarorigin,development, relationship to words in other languages --etymologymeanings and uses --semantics 第2页/共60页 3lexicologyLexi(c)- a n. root, word or phraselog- a v. root, to study logy- study of word or phraseRelated words include:lexicon / dyslexia第3页/共60页 4Word element 词素Word root(stem,base) 根，干affix: suffix--word ending 后缀 prefix--word beginning 前缀combining vowel 连接元音combining form 联合形 第4页/共60页 5 atrophy a / troph / y not nourish condition ofdystrophy dys / troph / y pooragranulocytosis a / granul /o/cyt /o/ sis without smallgrain cell abnormal condition第5页/共60页 6Word root （tem, base）log- a root to study -y a suffix concept or action -logy a compound suffix study (in med.frequently treatment)tom- a root to cut -tomy a compound suffix incision or cutting into第6页/共60页 7Root-words appendix 阑尾 uterus 子宫 sepsis 脓毒症，脓血病第7页/共60页 8derived words root + affix (prefix or affix)compound wordsroots + (affixes) (two or more) (with or without)a/troph/y a/granul/o/cyt/o/sis第8页/共60页 9 orb- a Latin rootorbit n.-al pertaining toretro- behindretro-orbital adj.第9页/共60页 10en- prefix creates v.from n.or adj.enforce v. (from a n.)enlarge v. (from an adj.)第10页/共60页 11 dark root(adj. ) obscuredarkness n. night or blacknessdarken v. to obscure,blackendarkly adv. in an obscure manner第11页/共60页 12 Suffixesinspect v. to look closely -or suffix a person who completes an action inspector n.第12页/共60页 13 spectacle n.intro- prefix into, inside -ive suffix likeintrospective adj. -ly suffix denoting an adverbintrospectively adv.第13页/共60页 14simple suffix: -ic gastric n. -forming suffixes adj. -forming suffi