become a basis of how learners can speak, listen, read and write well.
9
Meanwhile, according to Laurie Bauer vocabulary is about words where they derive from, how they change in different categories, how they relate each
other and also how we use them to see the world.
10
Furthermore, Hatch and Brown that define vocabulary as a set of particular language or a list or set of
words that people can use.
11
Based on the definition above, the writer can say that vocabulary is a set of word that used to express the ideas and learn new subject.
2. The Importance of Mastering Vocabulary for Students
Vocabulary is important for student‟s understanding in four language
skills. Students who have enough vocabulary will find little difficulties in using the language in written and oral form. The roles of vocabulary above
show that vocabulary is important for students because it will help them to understand the task. In addition, there is a relationship between vocabulary
and understanding. If students know the meaning of words, the students will be able to comprehend it. Wilkins as cited in Scott Thornbury state
“without grammar very little can be conveyed, without vocabulary nothing can be
conveyed.
12
Additionally, as stated by David and Vallete in their book that vocabulary is important part in all languages teaching, students must learns words as they
learn grammar and practice pronounciation.
13
Furthermore, McCharty states that vocabulary is the biggest component of any language course. No matter
how well students learn grammar and the sounds of language are mastered,
9
Jack C. Richards and Willy A Renandya, Methodology in Language Teaching: An Anthology of Current Practice, Cambridge: Cambridge University Press, 2002, p. 255.
10
Laurie Bauer, Vocabulary, New York: Routledge, 1998, p. VIII.
11
Evelyn Hatch and Cherryl Brown, Vocabulary, Semantic, and Language Education, Cambridge: Cambridge University Press, 1995, p. 1.
12
Scott Thornbury, How to Teach Vocabulary, Harlow: Pearson Longman, 2002, p. 13.
13
Edward David and Rebecca M, Vallete, Classroom Tehnique Foreign Language and English as a Second Language, New York: Harcout Brave Javanovich, 1997, p. 149
