I owe my thanks to many people for the completion of this dictionary. Without their cooperation and patience, it would have been an overwhelming job.

I would like to express my sincerest thanks to Sol Steinmetz, who helped me to launch this project, and Carol Braham, both of Random House. I am grateful to them for their extensive efforts to organize the formulae of this dictionary and solve numerous problems that i confronted owing to the drastic differences between Japanese and English.

I particularly would like to express my deepest gratitude to Erivan Morales for his extensive editing, sound advice, and constant moral support. Without his enthusiastic help, it is doubtful that I could have completed this project at all. This dictionary is dedicated to him.