1、 what is lexicology?Lexicology is the study of the vocabulary or lexicon of a given language. It deals not only with simple words, but also with complex and compound words。 2、 morphology is the study of the forms of words and their components 。 In morphology， morpheme is a basic concept. Morphemes are considered as the smallest meaningful units which may constitute words or parts of words 。 Semantics is often defined as the study of meaning 。 Semantics is usually approached from one of two perspectives ： philosophical or linguistic 。 Etymology is the study of the whole history of words. First…second…third P23、 lexicography is closely related to the words in a given language. It involves the writing and compilation of dictionaries, especially dealing with the principles that underlie the process of compiling and editing dictionaries。4、 Major features of words： 1)。 a word is a sound or combination of sounds which we make voluntarily with our vocal equipment。2). a word is symbolic and is used to stand for something else。3）。 the word is an uninterruptible unit.4). a word has to do with its social function.5). a word may consist of one or more morphemes.6). Words are part of the large communication system we call language.7). A word occurs typically in the structure of phrases。5、 Lexical words: are nouns, verbs， adjectives, and adverbs. Grammatical words are words like pronouns, prepositions, demonstrative ， determiners ， conjunctions， auxiliary verbs, and so on。 6、 The morphemes are the ultimate grammatical constituents ， the smallest meaningful units of language。One morpheme: boy， desire, sayTwo morphemes： boy+ish， desire+ableThree morphemes: boy+ish+ness, desire+able+ityF...
