The eleven chapters of <i>Vocabulary in a Second Language</i> are written by the world’s leading researchers in the field of vocabulary studies in second language acquisition. Each chapter presents experimental research leading to new conclusions about and insights into the selection, the learning and teaching, or the testing of vocabulary knowledge in foreign languages. This book is intended as an up-to-date overview of the important domain of the lexicon for researchers in the field of second language acquisition, teacher trainers and professional teachers of second or foreign languages.