Abstract
1. Introduction
2. Literature Review
2.1. Effects of L1 and L2 Definitions on Vocabulary Learning
2.2. Semantic Features of Words and Vocabulary Learning
3. Methodology
3.1. Participants
3.2. Procedure
4. Results
4.1. Effects of L1 and L2 Definitions on Vocabulary Learning
4.2. Effects of Semantic Features on Vocabulary Learning
4.3. Effectiveness of L1 and L2 Definitions by Noun Type
5. Discussion
6. Conclusion
References
Appendix: Post-test Items